Interesting college essay prompts
Thursday, September 3, 2020
Micro Economics Assignment Example | Topics and Well Written Essays - 1250 words
Small scale Economics - Assignment Example c) If the economy is utilizing the assets as expressed in the inquiry then it is underutilizing the asset accessibility. For this situation it would disregard the presumption of full business. d) This is ridiculous and can be accomplished distinctly in nearness of remote exchange. So as to deliver past the chance level, the economy must have the option to understand the expansion in the accessibility of assets. Question 2 Answer: Opportunity cost is alluded to as the expense of a movement which in estimated concerning the following best option inevitable. The state of lack is the underlying driver of chance expense. On the off chance that deficiency is missing there will be no motivation to forfeit one thing to accomplish another. The open door cost is probably going to be higher for New York City. The explanation being the elective uses for the square are of more incentive than the square of the rural city. Question 3 Total Profits = Total Cost â⬠Total Revenue Total Cost = P ass et * Q asset and Total Revenue = Price * Q sold Total Cost = ($40 * 5 units of work) + ($60 * 7 units of land) + ($60 * 2 units of capital) + ($20 * 1 unit of enterprising capacity) = $200 + $420 + $120 + $20 = $760. Complete Revenue = $2 * 400 portions of banana bread = $800. All out Profits = $800 - $760 = $40. The firm will keep on creating as it is gaining monetary benefits. In the event that this firm is common of the banana bread industry, more assets will stream toward banana bread as other potential firms are pulled in to the financial benefits in the business. Question 4 a) For this condition the cost will rise while the amount will fall. b) For this condition the cost will fall while the amount will fall also. c) For this condition the cost will fall while the amount will rise. d) For this condition the cost is uncertain however the amount will rise. e) For this condition the cost will ascend just as the amount. f) For this condition the cost will fall yet it is beyond the realm of imagination to expect to decide the interest. g) For this condition the cost will rise yet it is beyond the realm of imagination to expect to decide the amount. h) For this condition the cost will stay uncertain yet the amount will fall. Question 5 Price falls and request is inelastic: The all out income will diminish for this situation as request being inelastic a value fall will bring loss of income for the makers. Cost rises and flexibly is versatile: The all out income will increment for this situation as gracefully being versatile an ascent in cost will prompt increment in complete income conditions. Value rises and flexibly is inelastic: The absolute income will ascend for this situation just as this is the contrary case as the above inquiry. Flexibly being inelastic a cost rise will prompt increment sought after conditions and in this manner absolute income. Value rises and request is inelastic: The all out income will ascend for this situation. Request being inelas tic an ascent in costs will prompt ascent sought after and absolute income will rise. Value falls and request is versatile: The all out income will ascend for this situation. As request is flexible a fall in cost will prompt increment sought after and absolute income will rise. Value falls and request is unit versatile: For this situation the all out income will continue as before on the grounds that a fall in cost will get no change request conditions and thusly absolute income will stay unaffected. Question 6 Answer: A roof on value that is set beneath the value level at
Saturday, August 22, 2020
Abnormal DNA Methylation in the Human Genome essays
Strange DNA Methylation in the Human Genome papers The methylation of DNA fills in as one of the most urgent epigenetic alterations of current hereditary qualities. Methylation and demethylation of DNA effectsly affect cell separation and procedures, for example, interpretation, quality articulation, chromatin structure, and concealment of intrusive and undesirable qualities. Numerous catalysts work soundly to manage methylation action, one of the principle being DNA methyltransferase. Any interruptions in the methyltransferase pathway can prompt the alteration of customary DNA methylation. The alteration of these procedures can prompt deadly illnesses and different kinds of disease. The two examples where atypical DNA methylation fall are hypermethylation and hypomethylation. Pertinently, the disease genome is normally set apart by the hypermethylation of explicit qualities concurrent to the reduction in 5-methyl cytosine levels (hypomethylation). Hypermethylation alludes to the over methylation of certain qualities which brings about the constraint of interpretation. Hypomethylation is an abatement in the methylation of cytosine and adenosine buildups in DNA. The abatement in methylation causes the decrease of engraving and the flimsiness of chromosomal structure. The two examples of anomalies of DNA methylation can bring about irregulation of quality translation, which can eventually prompt the advancement disease; in any case, because of its trait of being reversible, adjustment of methylation and methyltransferase is a perfect theraputic and epigenetic focus for the different malignancies that start from it. DNA methylation was first found in 1948, and from that point onward, has created a generous measure of debate because of attempting to unravel its importance. The methylation of DNA is a covalent alteration which brings about the expansion of a methyl gathering to 'the fifth carbon of the cytosine ring. The greater part of the methylation happens in the CpG dinucelotide; nonetheless, since there can be up to 1... <!
Friday, August 21, 2020
Writing a Research Paper Sample
Writing a Research Paper SampleWriting an APA research paper sample is easy and can be done by anyone with some time to spare. There are many free resources available to help get the right research paper examples for your own needs. This will help you identify the best papers so that you can find a problem within them, find a solution, and demonstrate that the solutions you create work. This can give you ideas about what the general public will read and notice in your final work.Papers are a collection of facts and ideas. In order to create a well-written paper, you must be able to identify problems and use examples to show how other people have addressed those problems. You must be able to use relevant information from the data in the study in order to compare one idea to another. You must be able to show how a solution is effective in solving a problem. This way you can convince others that the solution you have chosen works.Before you begin writing a research paper sample, you nee d to identify your audience. What type of audience will they be? This will tell you exactly how to structure your research paper.You can choose the audience for any project based on several factors. One factor is whether you have a specific audience in mind when you begin writing or if you are just writing for fun. For example, if you choose a specific audience for your paper you can choose the terms that will describe that audience. However, if you are just writing for fun you may want to use more generic terms that are easy to relate to.You can also use the information available about the audience in your research paper sample to help determine how to format the paper. This will allow you to make sure that the points you are making will be meaningful to the audience you are trying to reach. You can also use this information to identify appropriate study methods.When you are writing a research paper sample, you should focus on the information that you can get from the people in the paper. This information can include what people were doing when they took the test, what questions they answered, what they thought about the question, and how they categorized the answers. It is important to get as much information as possible in order to compare your ideas to other people.When you are creating a research paper sample, you should always be able to cite other people. You should not be able to come up with something that is unique. In other words, you should be able to show how your own ideas are similar to the ideas of others in your sample.If you are able to provide proper sources for your research paper sample, you will be able to provide a list of problems that you need to solve in order to prove your idea to be correct. You will also be able to show how the solution you have devised works by providing evidence that it works. While there are many other factors involved in writing an APA research paper sample, these four are the most important.
Sunday, June 7, 2020
What are Your Goals for 2020
Our Suggestions for Academic Resolutions for 2020 With the New Year right around the corner, now is the perfect time to reflect on your academic progress and set goals for 2020. Whether youââ¬â¢re prioritizing test preparation or hoping to boost your grades, every student can benefit from setting resolutions that relate to their academic journey. In order to navigate the college admissions process seamlessly, itââ¬â¢s important to set realistic goals and put in the work needed to achieve them. Keep reading for some of our top suggestions for New Yearââ¬â¢s resolutions that relate to the college admissions process. Get Your Grades UpThereââ¬â¢s no way around it: grades are the single most important factor weighed in the college admissions process. Every student should strive to maintain a GPA that they are proud of and address any academic difficulties head on. If you are hoping to boost your grades in 2020, take time to reflect on your current study habits and identify any knowledge gaps. Once youââ¬â¢ve identified weaknesses or topics that are particularly challenging for you, take action by reaching out to a teacher or independent tutor. Pencil in time for additional study sessions, monitor your progress and continue to reach out as needed in order to achieve your goals. Prioritize Standardized Testing PreparationSAT or ACT scores are another major component of the application review process at many institutions (although an increasing number of universities are going test-optional). Many students find standardized testing overwhelming and stressful, but it is possible to change this outlook with proper preparation. Students who choose to focus on test preparation for their New Yearââ¬â¢s goal should take practice tests regularly in order to gain familiarity with their exam of choice. Some students may wish to work with a tutor who specializes in the exam to address personal challenges, create a nuanced study plan and track progress over time. Other students may opt to use test prep books and online resources in order to prepare and stay accountable. Focus on Best-FitsIdentifying your own best-fit colleges requires thorough research, introspection and self-awareness. Many high school juniors may wish to focus on exploring and narrowing down their future balanced college lists by touring campuses, researching course offerings and reviewing the admitted students' profiles at various institutions. If refining your college list is at the top of your agenda, strive to learn as much as possible through campus visits, online resources and anecdotal advice from older peers and counselors. Take Your Passion to the Next LevelStudents with defined interests and passions will always have an edge throughout the admissions process. Ideally, applicants will focus on a small handful of endeavors and continue to purse opportunities that relate to these fields throughout all four years of high school. Everyoneââ¬â¢s journey will look different, but some students may wish to look into specialized summer programs, advanced after-school offerings and online courses that relate to their interests. Find Your VoiceWriting a compelling personal statement is another important component of the college admissions process. If you wish to improve your essay writing skills in time for perfecting your college application essays, add memoirs to your reading list. The more you read independently, the easier it will be to pinpoint and define your own personal voice. Instead of waiting until senior year, practice free writing and drafting essays ahead of time so you feel prepared for college applications. Every student should take advantage of the New Year to set academic goals for 2020. If you are looking for personalized help to achieve these resolutions, our team can help you succeed.
Sunday, May 17, 2020
The City Of Vancouver Is World Renowned For Being A Beautiful
The City of Vancouver is world renowned for being a beautiful yet expensive city for people to work and live in. Despite ranking as the third least affordable housing market in the world, Vancouver is home to Canadaââ¬â¢s poorest neighbourhood, the Downtown Eastside (DTES). Due to the high costs of living, the city of Vancouver has a large amount of poverty and homelessness. The DTES has high rates of ââ¬Å"drug use, poverty, crime, infectious disease, and mental illnessâ⬠(Linden, Mar, Werker, Jang, Krausz, 2013, p. 559). There is a large amount of socially neglected and undesirable people living in the marginalized area. The following paper explores and focuses on the social impacts (internal and external) of the inhabitants of the DTES withinâ⬠¦show more contentâ⬠¦560). Consequently, the renovations resulted in a loss of thousands of low-income housing units, which amounted to the homelessness in the area. Among those who were displaced include elderly, impoveris hed tenants that were in frail health (Smith, 2003, p. 499). Additionally, the introduction of injectable cocaine into the neighbourhood created an increase in HIV rates. Undoubtedly, the DTES continues to host a growing amount of homeless people; according to the 2016 Homeless Count, there are thirty-eight percent Aboriginals within the streets of Vancouver, thirteen percent of people who identify as LGBTQ2+, veterans make up eleven perfect and women who make up twenty-three percent of the homeless population (Vancouver Metro, 2016). Moreover, one main aspect that is occurring in the DTES is the usage of drugs and the spread of HIV. Although there have been attempts to control and fix this issue, there is the challenge of reluctance amongst the drug users and the people with HIV. The older DTES groups have trouble accepting programs (aimed to help them) due to the fact that some are resistant to outsider ââ¬Å"interferenceâ⬠(Roe, 2009). According to Roe, the drug users and s ex workers within the area have the belief that if they accept services provided to help them, that would mean that they are accepting, thus legitimatizing the ââ¬Å"skid road stereotypes.â⬠ThisShow MoreRelated Impacts of Tourism in Vancouver Essay1657 Words à |à 7 Pagesknowledge of countries, cultures, and their history. The expression ââ¬Ëlargest industry in the worldââ¬â¢ is universally used with mention to tourism, ensuring its recognition as the largest generator of wealth (over 11.7% of the global gross domestic product) and employment (7% of the worldââ¬â¢s jobs); this shows that tourism is indeed an important industry that depends on culture and legacy.(Budeanu, 2002) Vancouver is feasibly one of the most prevalent tourist destinations in Canada due to many factors, fromRead MoreThe Art and Methods Used in KIMSOOJA Unfolding Essay947 Words à |à 4 Pagesin Korea. One of the most famous Korean artists, Kimsoojaââ¬â¢s works is based on fabrics that wer e sewn out of colorful clothing from thread and ink. Recently when I went at the show KIMSOOJA Unfolding, Vancouver Art Gallery, I got to see many remarkable textile works made by her, it seemed very beautiful seeing the whole segment of the gallery decorated with her colorful textile works. The artist has collected Korean clothing fragments for making collage works using geometric compositions. KimsoojaRead More Historical and cultural comparisom between Canada and USA Essay3023 Words à |à 13 PagesCanada and the U.S.A, I have decide to centre my comparison around the vast metropolis of New York and western Canada (Calgary-lively city lake Louise-scenic resort) Canada is situated in the north of the American continent: it is one of the most visited countries in the world. This means that the number of incoming visitors is immense. Renowned for its stunningly beautiful countryside, Canada mixes the flavour of Europe with the bustle of trendy New York, The Canadian Rocky Mountains and its parks, isRead MoreThe Continent of North America3320 Words à |à 14 PagesCHAPTER TEN THE CONTINENT OF NORTH AMERICA North America is the fourth largest continent of the world. It occupies the next place to Asia, Europe and Africa. Financed by the king and queen of Spain the famous navigator Columbus of Italy discovered America miraculously instead of India in 1492. Many small and large islands surrounding North America are included in this continent. The islands close to North Canada, Greenland, Newfoundland and West Indies are remarkable. Location : The triangularRead MoreUrban Sprawl: Abu Dhabi Context7376 Words à |à 30 Pagesdunes to multi-lane asphalt roads and lush landscaped gardens, from desert mirages to larger than life construction projects; numerous such titles can be ascribed to the story of transformation, from a harsh uninhabitable desert into the resplendent city that Abu Dhabi has come to be. Irrespective of the varied forces which brought about this transformation, the ultimate effect has been rapid urbanization that is far from uniform. Such an abnormal growth has had precedents in global history of destabilizingRead MoreConstraints and Challenges for the Global Manager13619 Words à |à 55 PagesAmerican president said that ââ¬Å"he could see clear as day that the mix and the structure of people werenââ¬â¢t right and that these changes were necessary for GM to move faster and win.â⬠2 Such a move shuffling managers is not all that uncommon in the corporate world, but why? How much differe nce does a manager make in how an organization performs? The dominant view in management theory and society in general is that managers are directly responsible for an organizationââ¬â¢s success or failure. We call this perspectiveRead MoreMarketing Mistakes and Successes175322 Words à |à 702 Pagesrespectively, and have been widely translated. In 1992 Professor Hartley wrote Business Ethics: Violations of the Public Trust. Business Ethics Mistakes and Successes was published in 2005. He is listed in Whoââ¬â¢s Who in America, and Whoââ¬â¢s Who in the World. vii This page intentionally left blank CONTENTS Preface About the Author Chapter 1 Introduction PART I ENTREPRENEURIAL ADVENTURES Chapter 2 Chapter 3 Chapter 4 Google: An Entrepreneurial Juggernaut Starbucks: A ParagonRead MoreAn Evaluation of an on-Farm Food Safety Program for Ontario Greenhouse Vegetable Producers; a Global Blueprint for Fruit and Vegetable Producers51659 Words à |à 207 Pagesto be used in similar extension activities. Acknowledgements For the past four years of my life, food safety conversations followed me wherever I go. I ve discussed it at the dinner table with family at Thanksgiving; on a road trip to Atlantic City with friends; at a bar following a pick-up hockey game; and even on the golf course. Produce-related outbreaks; BSE; how to cook a turkey; GE food production policy; and how often Emeril washes his hands have all come up. This is something I thinkRead MoreProject Mgmt296381 Words à |à 1186 PagesProcess Analysis and Improvement, First Edition Simchi-Levi, Kaminsky, and Simchi-Levi, Designing and Managing the Supply Chain: Concepts, Strategies, Case Studies, Third Edition Sterman, Business Dynamics: Systems Thinking and Modeling for Complex World, First Edition Stevenson, Operations Management, 10th Edition Swink, Melnyk, Cooper, and Hartley, Managing Operations Across the Supply Chain, First Edition Thomke, Managing Product and Service Development: Text and Cases, First Edition Ulrich andRead Mo reStephen P. Robbins Timothy A. Judge (2011) Organizational Behaviour 15th Edition New Jersey: Prentice Hall393164 Words à |à 1573 Pagesââ¬âSan Diego State University Timothy A. Judge ââ¬âUniversity of Notre Dame i3iEi35Bj! Boston Columbus Indianapolis New York San Francisco Upper Saddle River Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto Delhi Mexico City Sao Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo Editorial Director: Sally Yagan Director of Editorial Services: Ashley Santora Acquisitions Editor: Brian Mickelson Editorial Project Manager: Sarah Holle Editorial Assistant: Ashlee Bradbury
Wednesday, May 6, 2020
Cyberbullying A New Form Of Bullying - 1203 Words
Eliminating Cyberbullying Bullying has had a well known status for destroying the confidence and esteem of our worldââ¬â¢s youth for decades. Recently, a new form of bullying has emerged and has taken over the technological environment. Similar to a student physically bullying another peer, we see victims hurt after an attack over misuse of the Internet. Cyberbullying has been much harder to track than face-to-face bullying. It has also been easier for someone to attack another merciless and guiltless because of the lack of physically seeing the damage caused. Some believe legislation addressing anti-bullying is needed to stop these cyber attacks in their tracks and control the youthââ¬â¢s misuse of technology. Some would rather see more responsibility from parents and schools addressing the issue. Perhaps it is not that simple. There must be programs provided for communities to address the problem and legislation to prove bullying over the Internet is no joke. Cyberbullying ca n be defined as ââ¬Å"bullying that takes place using electronic technologyâ⬠(ââ¬Å"Cyberbullyingâ⬠). It is much harder to track or get away from because the bullies can get at the victim in so many ways. The bullying could take place on social media like Facebook, over text or a call with the victimââ¬â¢s number, messaging over email, and many other electronic platforms. Blocking numbers and accounts can only get so far because new, fake accounts are easy to make, and a phone number change is a simple way to keep up theShow MoreRelatedA New Form of Bullying: Cyberbullying1259 Words à |à 5 PagesWhen thinking of bullying, most people tend to think about the original form, where the bully harasses the victim in person; but, in this generation, cyberbullying is a new form of harassment that goes beyond the schoolyard. This way, individuals can be bullied all day and any day, but when you ask teens today, 81% of them think it is funny. (NPC) This shows that most tee ns do not think of cyberbullying as much of a threat, even though the rate in has gone up. In 2008ââ¬â2009, the School Crime SupplementRead MoreCyberbullying: The New Form of Bullying Essay1671 Words à |à 7 Pages Forty- three percent of teens have experienced cyber bullying in their life (ââ¬Å"43 percentâ⬠). Bullying has changed so much throughout the years; it went from calling teens malicious things to their faces, to saying vile things on the computer. Cyber bullying is a colossal problem with teens, and it is hard to escape because of all the technology that surrounds them. Cyber bullying is in complex to do, especially with all the technology teens can use. Teens can send instant messages or text messagesRead MoreCyberbullying: The New Form Of Bullying. When Sending Our1661 Words à |à 7 PagesCyberbullying: The New Form of Bullying When sending our children to school we expect them to be able to learn without distractions, but bullying makes that impossible. Bullying has been recognized as a problem for school children globally. In fact, school bullying has proven to be a risk factor for suicide, which has been identified as one of the top causes of death among teens (Erick Messias, 2014). Now that bullying and its importance has been acknowledged as a critical concern, several preventionRead MoreCyberbullying And Its Effects On Our Society938 Words à |à 4 PagesBullying in the Digital Time Cyberbullying is the use of electronic devices with the intent of inflicting harm on another. Cyberbullying has steadily increased with new technology. Many international organizations and campaigns have emerged to defend the victims of this crime. An anti-bullying organization came about by youth in Canada to address the issues surrounding bullying in our society. This advocates for bullying awareness online, insisting that not enough government attention has been givenRead MoreA Brief Note On Cyberbullying And Its Effects On Society1085 Words à |à 5 Pagesmost comprehensive. It defines cyberbullying as ââ¬Å"the use of information and communication technologies such as e-mail, cell phone and pager text messages, instant messaging, defamatory personal websites, and defamatory online personal polling websites, to support deliberate, repeated, and hostile behavior by an individual or group, that is intended to harm othersâ⬠2.2 Forms of Cyberbullying One of the most widely studied aspects of cyberbullying is the different forms it takes. Hoff and Shariff (2007)Read MoreIs Cyberbullying as Pervasive and as Dangerous as Physical Bullying?1028 Words à |à 5 Pagesexperiences are types of cyberbullying. Lots of people have such cyberbullying experiences because it occurs more frequently than before. More specifically, cyberbullying is the use of the Internet, cell phones, or other electronic communication devices to spread harmful or embarrassing information in the form of text, photos or videos about another person. Cyberbullying is worse than physical bullying because of its serious consequences, and the person who suffers the cyberbullying would be hurt mentallyRead MoreThe Invisible Bully: Cyberbullying941 Words à |à 4 Pagesthese values to decrease through the form of cyberbullying. Cyberbullying is when someone uses technology to threaten, harass, embarrass, or target another person publicly (New, 2012). The technologies that are starting to be used are no longer just computer, however, has expanded to phones, tablets, and even game systems (New, 2012). By definition, cyberbullying is used to describe the misuse of technology between children (New, 2012). The definition of cyberbullying is not interchangeable when referringRead MoreThe Problem of Cyber Bullying1323 Words à |à 6 Pagesuse in teenagers causing a new problem to arise. ââ¬Å"Half of students admit to being bullied online, while an estimated seventy-nine percent of teenagers say itââ¬â¢s a problem,â⬠(ââ¬Å"An Old Problem with a New Faceâ⬠). Since the rapid growth of technology, cyber bullying has become life-threatening for too many teenagers. Now that teenagers have phones and technology almost twenty-four hours a day, they are putting themselves at a greater risk of being cyber bullied. Cyber bullying is different from regularRead MoreCyberbullying : A Cyberbullying Suicide Victim1468 Words à |à 6 PagesBritney Ma zzoncini: A Cyberbullying Suicide Victim ââ¬Å"She was beautiful, so well-behaved, you couldnââ¬â¢t have asked for a better granddaughter.â⬠Thatââ¬â¢s a quote from Britneyââ¬â¢s grandparentââ¬â¢s days after the 16-year-old committed suicide in Scotland in July this year. The motivation? Cyberbullying! She suffered intolerable angst from an abusive Facebook ââ¬Å"friend.â⬠The police are still looking for the perpetrator. She is certainly not alone. The number of suicides by young people who feel depressed, scaredRead MoreCyberbullying Is A Problem That Affects More Than One Third Of Adolescents1692 Words à |à 7 PagesWith the new twitter update which allows that creation of polls that users can vote in, countless accounts have been created to poke fun at someone s personality or looks, this is what is called cyberbullying, and it happens each and everyday. Cyberbullying is a problem that affects more than one-fourth of adolescents in middle school and high school. With the growth of technology it has become more imperative to implement programs in schools to help solve this problem. Today, teenagers rely more
Hormones (994 words) Essay Example For Students
Hormones (994 words) Essay HormonesHormones are organic substances that are secreted by plants and animals and thatfunction in the regulation of physiological activities and in maintaininghomeostasis. They carry out their functions by evoking responses from specificorgans or tissues that are adapted to react to minute quantities of them. Theclassical view of hormones is that they are transmitted to their targets in thebloodstream after discharge from the glands that secrete them. This mode ofdischarge (directly into the bloodstream) is called endocrine secretion. Themeaning of the term hormone has been extended beyond the original definition ofa blood-borne secretion, however, to include similar regulatory substances thatare distributed by diffusion across cell membranes instead of by a blood system. . Among animals, the hormones of the vertebratesparticularly those of humansand other mammalsare the best known. Most vertebrate hormones originate inspecialized tissues, called endocrine tissues, and are carried to their targetsthrough the bloodstream. Endocrine glands. A major endocrine gland invertebrates is the pituitary, which consists of two distinct sections: theanterior pituitary (or adenohypophysis) and the posterior pituitary (orneurohypophysis). The anterior pituitary is sometimes called the mastergland, because it secretes several hormones that affect the otherendocrine glands. For example, the anterior pituitary hormones thyrotropin andadrenocorticotropic hormone (ACTH) regulate endocrine activity in the thyroidand the outer region (cortex) of the adrenal glands, respectively. The anteriorpituitary also secretes hormones that affect the sex glands. One of these isfollicle-stimulating hormone (FSH), which stimulates egg production in theovaries and sperm production in the testes. Another is luteinizing hormone (LH). In females, LH works in conjunction with FSH to regulate the female reproductivecycle and the secretion of female sex hormones. In males, LH controls theproduction of the male sex hormones. Other hormones produced in the anteriorpituitary include growth hormone, which is responsible for normal body growth,and prolactin, which promotes milk production in female mammals. Its designationas the master gland notwithstanding, the anterior pituitary itself is regulatedby substances called releasing hormones that are secreted by the hypothalamus,the part of the brain located directly above the pituitary. These hypothalamichormones stimulateor, in some cases, inhibitthe secretions of the anteriorpituitary. The posterior pituitary stores and releases two hormones: oxytocin,which causes the uterus to contract during birth, and vasopressin, which acts onthe kidneys to restrict the output of urine. These two hormones are actuallyproduced by the hypothalamus, which is linked directly to the poster iorpituitary. Other endocrine glands in vertebrates include the thyroid,parathyroids, adrenals, pancreas, and gonads (sex glands). The thyroid produceshormones that control metabolic rate and oxygen consumption. Hormones from theparathyroids are concerned with calcium concentration in the blood, and thepancreas releases insulin and glucagon, hormones that, respectively, lower andraise the blood-sugar level. Hormones from the adrenal cortex regulate glucoseand sodium metabolism. Those secreted by the central portion (medulla) of theadrenals affect the heart and the circulatory and respiratory systems; thesehormones are important in helping an individual cope with stress. The heartitself releases a hormone atrial natriuretic peptidethat helps regulateblood pressure, blood volume, and the salt and water balance within the blood. (see also Index: thyroid hormone, parathormone) The female sex hormonestheestrogens and progesteroneare produced by the ovaries. Together with FSH andLH, these hormones control the cyclical changes in the female reproductivesystemthe menstrual cycle in human females and the estrous cycle in otherfemale mammals. The estrogens also are responsible for female sexualcharacteristics. Progesterone is concerned with the maintenance of pregnancy. .ub9cdfdf035669eba44546e732b0bb926 , .ub9cdfdf035669eba44546e732b0bb926 .postImageUrl , .ub9cdfdf035669eba44546e732b0bb926 .centered-text-area { min-height: 80px; position: relative; } .ub9cdfdf035669eba44546e732b0bb926 , .ub9cdfdf035669eba44546e732b0bb926:hover , .ub9cdfdf035669eba44546e732b0bb926:visited , .ub9cdfdf035669eba44546e732b0bb926:active { border:0!important; } .ub9cdfdf035669eba44546e732b0bb926 .clearfix:after { content: ""; display: table; clear: both; } .ub9cdfdf035669eba44546e732b0bb926 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .ub9cdfdf035669eba44546e732b0bb926:active , .ub9cdfdf035669eba44546e732b0bb926:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .ub9cdfdf035669eba44546e732b0bb926 .centered-text-area { width: 100%; position: relative ; } .ub9cdfdf035669eba44546e732b0bb926 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .ub9cdfdf035669eba44546e732b0bb926 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .ub9cdfdf035669eba44546e732b0bb926 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .ub9cdfdf035669eba44546e732b0bb926:hover .ctaButton { background-color: #34495E!important; } .ub9cdfdf035669eba44546e732b0bb926 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .ub9cdfdf035669eba44546e732b0bb926 .ub9cdfdf035669eba44546e732b0bb926-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .ub9cdfdf035669eba44546e732b0bb926:after { content: ""; display: block; clear: both; } READ: Brain Structure Differences EssayMale sex hormonesknown as androgensinclude testosterone, which is secretedby the testes. Testosterone is responsible for the maintenance of male sexualcharacteristics. Hormone chemistry. Structurally, vertebrate hormones fall intotwo main classes. Those of the adrenal cortex and the sex organs are steroids, amajor class of lipid compounds. Virtually all other known vertebrate hormonesconsist of amino acids. Most nonsteroidal hormones are composed of chains ofamino acidseither short chains (polypeptides) or long chains (proteins). Thehormones of the adrenal medulla, however, are composed of amino acid derivativescalled amines, those of the t hyroid of a single amino acid combined with atomsof iodine. It is believed that hormones achieve their effects on target tissuesand organs through either of two mechanisms. The steroid hormones and thehormones of the thyroid can, as a result of their chemical structures, passthrough cell membranes. These hormones apparently enter a target cell andcombine with an intracellular receptor protein. The hormone-receptor complexthen enters the cells nucleus, where it apparently affects the activity ofspecific genes. Genes carry the cells hereditary blueprint for proteinsynthesis, and so the interaction of the hormone-receptor complex with the genesinfluences the cells production of proteins. Because many proteins function asenzymes within the cell, this influence on protein synthesis can havefar-reaching effects on the cells activities. The polypeptide, protein, andamine hormones are believed to operate by a different mechanism. These hormonesdo not enter the target cell; instead, they com bine with a receptor protein onthe cells outer membrane. This hormone-receptor complex apparently triggers anenzyme in the membrane, causing the synthesis of a so-calledsecond-messenger compound within the cell. This second messengerinmany cases, cyclic adenosine monophosphate (cyclic AMP)apparently activatesenzyme systems that bring about the desired action by the cell. It isinteresting to note that both proposed mechanisms of hormone action involve thebinding of the hormone to a specific receptor molecule. This feature accountsfor the specificity of hormones; a hormone can have an effect only on cells thatpossess the appropriate receptor. Hormones probably exist in all invertebrates. In insects, neurosecretory cells in the brain produce thoracotropic hormone. This hormone stimulates glands in the thorax to secrete the hormone ecdysone,which causes the periodic molting, or shedding, of the hard exoskeleton. Anotherinsect hormone, called juvenile hormone, maintains the larval state. A decreasein juvenile hormone triggers the development of the adult characteristics. Plants also have a hormonal system, which includes auxins, gibberellins, andcytokinins, all of which promote growth. Plant hormones also include severalgrowth inhibitors, which regulate such activities as the fall of deciduousleaves in autumn and the development of dormancy in buds and seeds.
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