Animal Cells: Types and Functions

Animal Cells: Types and Functions I chose to do my research paper on an animal cell because I thought it would be interesting to see how an animal cell works. Animal are very complex when it comes to determining where the cell is found, the function of the cell, and all the organelles names and functions. An animal cell has many contents and thats why its very complex and important. The animal cell contents are cell membrane, Lysosome, nucleus, nucleolus, nuclear membrane, vacuole, mitochondria, centrosome, cytoplasm, rough er, smooth er, ribosome, and Golgi body. The cell membrane is a thin layer of protein and fat that surrounds the cell. This is also called the membrane semipermeable which means allowing some substance passing through the cell and blocking others. The Lysosome is spherical organelles that function as a recycling center and a garbage disposal. Powerful digestive enzymes concentrated in the Lysosome break down worn out organelles and ship their building blocks to the cytoplasm where they are used to construct new organelles. Lysosomes also dismantle and recycle protein, lipids, and molecules. The digestion of a cells nutrients takes place here. A nucleus is a spherical body containing many organelles including the nucleolus. The nucleus controls many of the functions of the cell by controlling protein synthesis and it also contains DNA chromosomes. The nucleus is also surrounded by the nuclear membrane. It is the largest organelle in an animal cell and it contains numerous strands of DNA. Long sections of eukaryotic DNA pack into the nucleus by wrapping the proteins. While the cell begins to divide, each DNA strand folds over itself several times forming a rod shaped chromosome. Another content of the animal cell is the nucleolu s. A nucleolus is an organelle within the nucleus and it is where the ribosomal DNA is produced. Also I believe cells have more than one nucleolus. A nuclear membrane is a membrane that surrounds the nucleus. A vacuole is a fluid filled membrane with surrounded cavities inside a cell. The vacuole is being filled with food that has been digested and wastes that are coming from the cell. The mitochondrion is a spherical rod shaped organelle with two membranes. The inner membrane is infolded many times forming a series of protections called cristae. The mitochondrion converts the energy stored into the glucose in ATP. ATP stands for adenosine triphate. This molecule serves as an energy battery for countless cellular processes, including the shuttling of substances across the plasma membrane, the building and transporting of proteins and lipids, the recycling of molecules and organelles, and the dividing of cells. A centrosome is a small body located near the nucleus and it has a dense center and radiating tubes. The centrosome is where the microtubules are made. During the process of mitosis, the centrosome divided into two parts and the two parts move to opposite sides. The cytoplasm is the jelly like material outside the cell nucleus where the organelles are located. There are two types of ER. The first type is rough ER. Rough ER is covered with ribosomes that give it a rough surface and appearance. Rough ER transports materials through the cell and produces in sacks called cisternae, which are sent to the Golgi body or inserted into the cell membrane. The smooth ER is a vast system of interconnected, membranous, infolded and convoluted tubes located in the cells cytoplasm. The space inside the ER is called the lumen ER. The smooth ER also transports materials through the cell. The next content is the ribosome. The ribosome is a small organelle composed of RNA and rich cytoplasmic granules that are sited of protein synthesis. The last content of the animal cell is the Golgi body. The Golgi body is a flattened, layered sac like organelle that is located near the nucleus. It also produces the membranes that surround the Lysosomes. The Golgi body packages proteins and carbohydrates into membranes. The overall function of an animal cell is that they are the building blocks of tissues, organs, and whole organisms. The cell also carries around DNA of an animal. The animal cell has no chlorophyll. Also the animal does not have a cell wall because the animal cell has only cell membranes that are made up of phospholipids bilayer and proteins that hold up and protect the cell and the parts of the cell animal cells are also smaller and have no permanent vacuoles. The animal cell has no cellulose and is made up of almost cytoplasm. The eukaryotic cell is a lot larger than the prokaryotic cell. The eukaryotic is different from the paralytic cell because the eukaryotic cell houses a nucleus and numerous other membrane enclosed organelles. These organelles enable specialized functions to be carried out efficiently. The building pf proteins and lipids take place in separate organelles where the specialized enzymes are located. I loved working on this research paper because it got me thinki ng about becoming a biologist. I thought that cells were just something in your body but now I know its more than that. There is a whole other world.

Origin of Narcocorridos

In the book, â€Å"The Handbook of Texas† Dan Dickey writes that in the late 1940’s and 1950’s when â€Å"Tex-Mex† music became commercialized, so did the Music called â€Å"corridos†. Back then it became popular to hear songs about drug smuggling and violence. Music from the genre corridos which was about drugs and drug smuggling was called narcocorrido, which some would say is â€Å"Mexico’s style of gangsta rap†. An excellent example of narcocorrido would be â€Å"El Avion de la Muerte† (The Plane of Death) performed by Los Tigres del Norte, which is arguably one of the most popular corridos bands in history. Los Tigres del Norte have written and performed many songs throughout their career. This famous Mexican band started in 1968 and was made up of three brothers (Jorge, Raul and Hernan Hernandez) and their cousin (Oscar Lara). They started to play their grandparents’ instruments in bars, and like thousands of immigrants they crossed the border to make it in America. Their first hit came in 1970 and was a song about two rival drug dealers. However, in 1972, their song â€Å"Contrabando y Traicion† (â€Å"Contraband and Betrayal†) became a topic of controversy. Not only was it about drug smuggling but how a woman killed a man before he could abandon her. Why would the act of murder committed by a woman spark such controversy? Bataille’s tells us that, â€Å"Such a divinely violent manifestation of violence elevates the victim above the humdrum world where men live out their calculated lives. To the primitive consciousness, death can only be the result of an offence, a failure to obey† (Bataille, 82). Even before Los Tigres del Norte, there was Rosalino â€Å"Chalino† Sanchez, a renegade artist from Sinaloa, a state in the north of Mexico that is well known for its abundant marijuana fields. Hodgson writes, â€Å"When he was 15, Sanchez shot and killed a man who had raped his sister, and fled to California, where for a while he worked as a ‘coyote', smuggling illegal immigrants and drugs across the border. Only when he was arrested, and spent nearly a year in Tijuana prison, did he discover his skill at song writing. He began composing corridos for fellow inmates, and once outside, found his skills in demand from both dealers and legitimate immigrants. † While not the best singer, his incredible lyricism built his reputation quickly. Having earned his street credibility in jail, he soon afterwards was contacted by famous Mexican drug lords who would commission him to write songs about them and their criminal exploits. To shed some light on this fascination with death, we can turn to writer Margaret Atwood in her book Negotiating with the Dead: â€Å"All writing of the narrative kind, and perhaps all writing, is motivated, deep down, by a fear of and a fascination with mortality — by a desire to make the risky trip to the Underworld, and to bring something or someone back from the dead† (157). Chalino, in this way, had a sought-after ability to immortalize the Mexican drug lords. Chalino, himself, portrayed the brave image of the Mexican cowboy. After dealing with the narcotraf icantes, he acquired both powerful friends and enemies. According to an informer that talked to Martin Hodgson, â€Å"The cartels used the group’s music to lay out a code of conduct for its members: ‘Through the corridos comes the philosophy, how the members of the cartel have to behave. If you listen carefully, the songs tell you what they did wrong. You learn what you have to do so they don’t kill you. ’† At the same time, the death drug-lords became heroes through corridos. Some enjoyed their hero status while still alive, but most of them earned it after death. This returns us again to Becker’s introduction to Human Nature and the Heroic in his book The Denial of Death. He explains, â€Å"†¦ [T]he problem of heroics is the central one of human life, †¦ it goes deeper into human nature than anything else because it is based on organismic narcissism and on the child’s need for self-esteem as the condition of human life. Society itself is a codified hero system, which means that society everywhere is a living myth of the significance of human life, a defiant creation of meaning. † Hence, by commissioning corridistas to write about them, narcotraficantes could satisfy that narcissism and become heroes in their own right.

The Pitfall of How to Start an Essay Introduction Samples

The Pitfall of How to Start an Essay Introduction Samples Whispered How to Start an Essay Introduction Samples Secrets Writing a great essay takes more than simply getting your facts right. Be aware that what constitutes a superb introduction might vary widely based on the type of paper you're writing and the academic discipline in which you're writing it. For you to be a fantastic writer, these art essay tips will be quite useful. The one most difficult part of writing a superior senior essay is articulating an issue. How often have you started an essay with Since the start of time. Many excellent writers leave introduction to the previous minute. An excellent place to begin is with a quote from the outset of Book IV. As you are learning English, you truly have a benefit. After you own a thesis, think about your principal topic and discover words that relate to it in various ways. You will find out more about the subject, and you'll have more vocabulary words to enrich the essay. 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Gender Discrimination And The Wage Gap Essay - 962 Words

Gender Discrimination and the Wage Gap Definitions Gender discrimination has been a controversial topic since the introduction of the Equal Rights Amendment in 1923. Gender discrimination is defined in the Encyclopedia of Small Business as any action that specifically denies opportunities, privileges, or rewards to a person (or a group) because of gender (Burton, 2011, p.617). While women are often the subject of gender discrimination, men may also find themselves being discriminated against. Cases where men have claimed that they have been discriminated against on the basis of gender are usually referred to as â€Å"reverse discrimination† (Burton, 2011, p. 617). History In 1923, Alice Paul, a women’s rights activist whose suffragist campaign culminated in passage of the Nineteenth Amendment, wrote the Equal Rights Amendment, â€Å"Equality of rights under the law shall not be denied or abridged by the United States or any State on account of sex†¦Ã¢â‚¬  The National War Labor Board first advocated equal pay for equal work in 1942, and an equal pay act was proposed in 1945. (Cho, n.d.a). 18 years later, on June 10, 1963, President John F. Kennedy signed the Equal Pay Act into law. It was enacted as an amendment to the Fair Labor Standards Act of 1938, which regulates minimum wages, overtime and child labor. (Fugiero, n.d.). In 1982, it came closest to being ratified when thirty-five of the thirty-eight states required for inclusion in the Constitution passed it (Cho, n.d.a). In 1963,Show MoreRelatedWage Discrimination And The Gender Wage Gap1987 Words   |  8 PagesWage Discrimination and the Gender Wage Gap â€Å"They† say, â€Å"We’ve come a long way baby!† â€Å"They† are both correct and incorrect at the same time. While it is true that women have come a long way from June Cleaver and the typical 50’s housewife to the modern two parent working household, statistically, it would take women approximately one extra day of work per week to earn the same as their male counterpart. So, while women have begun to work in higher paying professional and managerial jobs thatRead MoreGender Wage Gap : Discrimination Or Misinformation1699 Words   |  7 PagesGender Wage Gap: Discrimination or Misinformation In 2014, female full-time workers made only 79 cents for every dollar earned by men, a gender wage gap of 21% according to IWPR Org or Institute for Women’s Policy Research. There is no debate that in the past women have been discriminated against when it came to compensation and wages in the workforce which led to the enactment of the Equal Pay Act of 1963. This a federal law signed by John F Kennedy attempting to amend wage disparity based on sexRead MoreDiscrimination, Policies, And The Gender Wage Gap1088 Words   |  5 Pages Discrimination, Policies, and The Gender Wage-Gap   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   For decades, the gender wage-gap has been an ongoing issue in Canada. Since then, women’s rights have changed and allowed them to obtain career positions much like men. Although women have successfully fought for their rights, the issues of the gender wage gap, and sexist stereotypes continue in Canada. The Canadian Government needs to strengthen its discrimination policies so it can rectify and allow for equal opportunity, support parentalRead MoreGender Discrimination : Gender Equality And Wage Gap1822 Words   |  8 PagesGender Discrimination – Gender Equality and Wage Gap Do women earn less than men? In today’s society, money is one of the most important sources of livelihood; therefore, it is surprising to know that some women are paid less than men for doing the same job. One of the reasons that there is a wage gap is often linked to traditions and stereotypes. Some of the stereotypes include: women experience difficulty balancing work and family life, they are not vigorous, they are too emotional, and that theyRead MoreThe Gender Wage Gap And Focus On The Discrimination Against Working Women1350 Words   |  6 Pagesurpose: The purpose is to highlight the gender wage gap and focus on the discrimination against working women Thesis: I intend to assert that women deserve to be paid as much as men for the same job by the same employer. Introduction For the same employer and for the same job in the US, on an average, women get 79 cents for every dollar earned by their male colleagues. This indeed is an alarming figure noting that women haveRead MoreGender Wage Gap And Focus On The Discrimination Against Working Women1792 Words   |  8 PagesTitle: Equal Pay for Women Purpose: The purpose is to highlight the gender wage gap and focus on the discrimination against working women Thesis: I intend to assert that women deserve to be paid as much as men for the same job by the same employer. Introduction: l. Working for the same employer and in the same kind of job in the US, if we look at averages, women get paid merely 79 cents against every single dollar paid to their male coworkers. A. This indeed is an alarming figure noting that womenRead MoreThe Wage Gap Between Men And Women1337 Words   |  6 PagesMen and women. Even the name of the female gender is derived from the male species. For years, women have been discriminated against in an array of areas such as politics, at home, and in the workplace. The most debated area of gender discrimination is the wage gap between men and women. After reviewing the following facts, it is obvious women are essentially just as valuable as men, and therefore should be treated equally in the workplace. The pay gap between males and females has been a topic thatRead MoreThe Wage Gap Within The United States1687 Words   |  7 Pagesright to equal wages; gender and ethnic inequality has been an on-going issue in the United States for a very long time. This inequality has been the reason for the Wage Gap which is a violation of everyone’s human rights. Some people believe that the wage gap is just a gender problem but it is not, it is unequal opportunities for racial and gender minorities; in fact some women that are of a certain race are paid significantly less than someone who is only of one minority. The wage gap relates to humanRead MoreThe Role Of Women During The Civil War1595 Words   |  7 Pagessuch as Pregnancy Discrimination Act of 1978 and the Family Medical Leave Act of 1993. However, women are still being undermined in the work force with the wage gap between women and men. Many argue that a wage gap does exist where women are working hard but getting payed less leading to poverty. On the other hand, others argue that the wage gap is merle a myth and is impractical in today s society. Contributing factors like education, family and job choice is what causing a wage gap. The opposingRead MoreGender And Gender Within The American Workforce1306 Words   |  6 Pagesyears. Whether it is equality for races, religion, gender or sexual orientation, people just desire for life to be equal and fair. Although much has changed and is continuously changing, women still struggle to be seen as equivalent to men in the American workforce. Bound by a wage gap that is bias towards the female species, women have to battle different factors which lead to inequivalent compensation. There are wage gaps stimulating from gender within the American workforce due to caregiving duties;