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4,476 Science Free Papers: 1,951 - 1,980

  • Heterotrophic Nutrition

    Heterotrophic Nutrition

    Organisms that aren't food producers must be food consumers. This method of nutrition is described as heterotrophic (eating others). Consumers include: predators, parasites, scavengers, decomposers and some green plants (e.g. sundews, Venus flytrap, pitcher plants). The food sources may be all or any of: plants, animals, fungi or bacteria;

    Essay Length: 1,432 Words / 6 Pages
  • Heterozygosity, Fitness and Inbreeding Depression in Natural Populations

    Heterozygosity, Fitness and Inbreeding Depression in Natural Populations

    Heterozygosity, fitness and inbreeding depression in natural populations Inbreeding is mating between close relatives and can depress components of reproductive fitness thus having detrimental effects on the populations survival, a phenomenon known as inbreeding depression. There are two principal theories for the mechanism of inbreeding depression. The partial dominance hypothesis

    Essay Length: 2,987 Words / 12 Pages
  • High and Low Blood Pressure

    High and Low Blood Pressure

    High or Low Blood Pressure? Purpose: The purpose of this experiment is to compare blood pressure as related to gender and athletic status. Hypothesis: I predict that males have a higher blood pressure than women and athletes have a higher blood pressure than non athletes Background Info: Blood pressure

    Essay Length: 1,828 Words / 8 Pages
  • High Blood Pressure Case Study

    High Blood Pressure Case Study

    Laarni M. Unito BSN-IV Wilbert C. Codilla,RN,MAN Journal Patient M.J,N, a 39 year old, female,married, Filipino and a licensed Civil Engineer. Previously worked in municipality as a Municipal Engineer,and on June of 2016,decided to accept the job as a professor in CTU. She taught 5 different subjects,Algebra,Trigonometry, Integral Calculus,Autocad,and engineering

    Essay Length: 597 Words / 3 Pages
  • High Conductance in Dendritic Function

    High Conductance in Dendritic Function

    introduction Most of our understanding of dendritic function has come from studies in isolated preparations like brain slices.This approach has been very successful in defining the basis of dendritic excitability and identifying subunits in neurons. These in vitro recordings have not only shown the diversity of voltage-gated ion channels

    Essay Length: 1,991 Words / 8 Pages
  • Hilbert's Problems

    Hilbert's Problems

    Hilbert's Problems In an address to the International Council of Mathematicians in 1900, David Hilbert (1863-1942), a professor of mathematics at the University of Goettingen, outlined 23 significant problems in mathematics for the community to research in the new century. The problems cross many areas of mathematics, including set theory,

    Essay Length: 783 Words / 4 Pages
  • Hipaa Compliance

    Hipaa Compliance

    HIPAA Compliance If you are in the healthcare industry, you have probably heard some rumblings about the Health Insurance Portability and Accountability Act of 1996, coolly referred to as HIPAA. The word is your medical practice will have to be HIPAA compliant by April 2003, but you're not exactly sure

    Essay Length: 857 Words / 4 Pages
  • Historical Development of the Atom

    Historical Development of the Atom

    The notion of the atom all stared about 450 BC when a Greek scholar starting think when can something break on more, when are the pieces at their smallest, this mans name was Leucippus. Leucippus also had pupil who also thought the same way as Leucippus, his name was Democritus.

    Essay Length: 574 Words / 3 Pages
  • History


    An atom is the smallest particle that comprises a chemical element. An atom consists of an electron cloud that surrounds a dense nucleus. This nucleus contains positively charged protons and electrically neutral neutrons, whereas the surrounding cloud is made up of negatively charged electrons. When the number of protons in

    Essay Length: 320 Words / 2 Pages
  • History of Astronomy and Neptune

    History of Astronomy and Neptune

    Science is and has become a necessity to know just to keep up with the tremendous advancements of today and tomorrow. Basic things, such as how the universe was suspected to be started or who Ptolemy and Galileo were and what they did are just things that need to

    Essay Length: 2,597 Words / 11 Pages
  • History of Calculus

    History of Calculus

    History of Calculus The history of calculus falls into several distinct time periods, most notably the ancient, medieval, and modern periods. The ancient period introduced some of the ideas of integral calculus, but does not seem to have developed these ideas in a rigorous or systematic way. Calculating volumes and

    Essay Length: 1,147 Words / 5 Pages
  • History of Evolution

    History of Evolution

    Abstract Evolution is a change in the characteristics of a population from generation to generation. Evolution occurs via natural selection which creates competition between organisms to survive. Although, people have been thinking about evolution for years, Charles Darwin is often referred to as the father of evolution. The theory

    Essay Length: 2,313 Words / 10 Pages
  • History of Judaism

    History of Judaism

    Cloning is based on nuclear transfer, the same technique scientists have used for some years to copy animals from embryonic cells. Nuclear transfer involves the use of two cells. The recipient cell is normally an unfertilized egg taken from an animal soon after ovulation. Such eggs are poised to begin

    Essay Length: 654 Words / 3 Pages
  • History of Scuba

    History of Scuba

    SCUBA Ever since the caveman humans have had a fascination with the water for many reason. It was a source of food, mystery and many helpful tools. The first ever trace of scuba was thousands of years ago when primitive man decided to use a hollow read to breathe through.

    Essay Length: 479 Words / 2 Pages
  • History of the Double Helix

    History of the Double Helix

    The History of the Double Helix In our study of the sociology of science, reading James Watson's account of the discovery of the structure of DNA in The Double Helix gives us an insight into how science works as a "collective activity." To illustrate how the norms of science work

    Essay Length: 1,600 Words / 7 Pages
  • History of the Mol Space Station

    History of the Mol Space Station

    “The United States has been in space from the very beginning; its intentions are not sinister or evil. The United States is there to help preserve its security and to defend itself and it will use the tools and techniques that make strategic, tactical, and economic sense to achieve defense

    Essay Length: 1,540 Words / 7 Pages
  • History of the Periodic Tbale

    History of the Periodic Tbale

    Things are very different from each other, and can be broken down into small groups inside itself, which was then noticed early by people, and Greek thinkers, about 400BC. Which just happened to use words like "element', and `atom' to describe the many different parts and even the smallest parts

    Essay Length: 673 Words / 3 Pages
  • History of the Stock Market

    History of the Stock Market

    The financial markets of the United States, today, are collectively known as "Wall Street." These words represent the heart of the business and financial world in the United States today. Many of us conjure up well known images of companies being bought and sold, traders screaming out to get the

    Essay Length: 2,518 Words / 11 Pages
  • History of Theory of Evolution

    History of Theory of Evolution

    HISTORY OF THEORY OF EVOLUTION In 1543, a young Flemish anatomist Andreas Vesalius challenged Galen’s theories of the Human Body. This discovery had an impact on scientists. Vesalius’ discovery of the important differences between species also helped usher in the science of comparative anatomy, in which researchers studied animals to

    Essay Length: 1,932 Words / 8 Pages
  • Hiv


    HIV Many eyebrows raised late in 1979, when the then unknown HIV virus raised its ugly head. The first two cases of the rare cancer, Karposis Sarcoma was diagnosed in two homosexual men in N>Y>C. About the same time in Los Angeles, several cases of the rare infection, Pneumocytis cariini

    Essay Length: 1,069 Words / 5 Pages
  • Hiv : Aids - Role of Drugs in Hiv Transmission

    Hiv : Aids - Role of Drugs in Hiv Transmission

    In 1981, the first cases of severe immune system deterioration were recognized developed unusual infections. The new disease was later named "AIDS". At that time, no one knew what was causing the disease. Since then, science has shown that the Human Immunodeficiency Virus (HIV) is the cause of AIDS. As

    Essay Length: 1,258 Words / 6 Pages
  • Hiv and Aids Research

    Hiv and Aids Research

    HIV and AIDS Research The origin of AIDS and HIV has puzzled scientists ever since the illness first came to light in the early 1980s. For over twenty years it has been the subject of fierce debate and the cause of countless arguments, with everything from a conspiracy by the

    Essay Length: 880 Words / 4 Pages
  • Hiv Testing

    Hiv Testing

    Few diagnostic tests or screening procedures have drawn as much deliberation and controversy as the human immunodeficiency virus (HIV) test. Because of the transmittable and highly fatal nature of the virus, it has been recommended that all Americans receive HIV screening. However, according to Branson (2006), "an estimated one

    Essay Length: 1,141 Words / 5 Pages
  • Hiv Vaccine Testing in Africa

    Hiv Vaccine Testing in Africa

    Michelle Raess The Human Body Dr. Shirley M. Bartido HIV Vaccine Testing in Africa The United Nations estimates that 5.8 million people per year become infected with the immunodeficiency virus (HIV). Ninety percent of these infections occur in sub- Saharan Africa, where infected persons do not have access to antiviral

    Essay Length: 1,117 Words / 5 Pages
  • Hiv/aids


    HIV/AIDS Has it Been Conquered? To answer that question truthfully HIV/AIDS has not been conquered. But there is still hope there are researchers working around the clock 24 Hours a day trying to cure this disease. HIV/AIDS is a serious disease and killed over 22 million people and there are

    Essay Length: 2,324 Words / 10 Pages
  • Hiv/aids


    HIV/AIDS Awave of sickness fell across the nation. People developed flu-like symptoms, which then led to prolonged fever, swollen lymph glands, immense fatigue and night sweats, if the person in question showed any symptoms at all. People began dieing unexpectedly. No one knew what was causing the people to die

    Essay Length: 1,263 Words / 6 Pages
  • Hiv/aids and Homeostasis

    Hiv/aids and Homeostasis

    AIDS (acquired immunodeficiency syndrome) is caused by HIV (human immunodeficiency virus). HIV is transmitted usually through unprotected sex with someone who is already infected, but it can also be transmitted through infected blood. The immune system is greatly affected by the disease. Once it enters the body, the virus recognizes

    Essay Length: 402 Words / 2 Pages
  • Holden's Sexual Exploits

    Holden's Sexual Exploits

    Holden's Sexual Exploits The Catcher In the Rye is voted as one of the most controversial book for many reasons; however, Holden's sexual exploits serves as an idea that is unappreciative. Although this topic is questionable in a book taught to teenagers, we must understand that this is developed as

    Essay Length: 609 Words / 3 Pages
  • Home Made Ice Cream

    Home Made Ice Cream

    Homemade Ice Cream in a Plastic Bag Objectives: a. To become aware of the use of Chemistry in food preparation, particularly, in ice cream. b. To be able to understand colligative properties of mixtures, particularly, freezing point depression and its role in ice cream manufacturing. c. To be able to

    Essay Length: 227 Words / 1 Pages
  • Homeopathic Therapy - Survey of Alternative Medicine

    Homeopathic Therapy - Survey of Alternative Medicine

    Homeopathic Survey of Alternative Medicine October 8, 2003 Homoeopathy is an alternative method of treatment, based on the nature's Law of Cure, or the saying 'Like Cures Like'. Discovered by a German scientist Dr. Samuel Hahnemann in 1796, and has been verified experimentally and clinically for 200 years. Homoeopathy is

    Essay Length: 2,418 Words / 10 Pages
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