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The scientific world contains a wealth of knowledge that enables mankind to live the way it does. EssaysForStudent.com can help you close the gaps in your knowledge.

4,610 Essays on Science. Documents 3,211 - 3,240

  • Pro - Animal Testing and Experimentation Essay

    Pro - Animal Testing and Experimentation Essay

    Pro - Animal Testing and Experimentation Essay Animal testing and experimenting has been practiced ever since the fifteenth century, although it did not become widespread until the 1800's. Ever since that people realized animals had feelings and could feel pain, people have started debating over the issue of animal testing, and it soon became a highly controversial topic. Many people argues that it is unmoral to test products of any kind on animals, while scientists

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    Essay Length: 677 Words / 3 Pages
    Submitted: December 4, 2008 By: Victor
  • Probiotics - Friendly Bacteria

    Probiotics - Friendly Bacteria

    Probiotic microorganisms are “Gram positive anaerobic bacteria and are included primarily in two genera, Lactobacillus and Bifidobacterium”. (WHO, 2001, pg7). They naturally occur in the human intestine (but not in new-borns). A example of a probiotic supplement is “inner health plus”, which contains the microorganisms Lactobacillus acidophilus and Bifidobacterium lactis and the prebiotic “colostrum powder” to sustain the organisms. Currently in vitro tests are use to examine the ability of probiotics to function in humans.

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    Essay Length: 590 Words / 3 Pages
    Submitted: January 8, 2010 By: Janna
  • Problem and Solution of Global Warming

    Problem and Solution of Global Warming

    Global warming is the observed increase in the average temperature of the Earth’s atmosphere and oceans. Higher temperatures threaten dangerous consequences: drought, disease, floods, and lost ecosystems. From sweltering heat to rising seas, global warming’s effects have already begun. Many people still believe that since the earth is so big, human beings cannot possibly have any major impact on the way the planet operates. The truth is we have grown so numerous and our technologies

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    Essay Length: 1,879 Words / 8 Pages
    Submitted: November 13, 2009 By: Mike
  • Problems in Managing Wildlife in Zambia

    Problems in Managing Wildlife in Zambia

    zambia is one of the countries in which wildlife is conserved.however there are several problems in the management of wildlife.this may be due to lack of funds as is he case in zambia. very little is earned from game ranching in zambia as most of the revenue is obtained from international hunting,local hunting and also cropping of animals in order to control populations.however,monies earned this way are not exactly for tye game ranches but are

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    Essay Length: 264 Words / 2 Pages
    Submitted: May 1, 2011 By: dianamwendaweli
  • Process Mapping

    Process Mapping

    Process Mapping Key items to note when process mapping: http://www.bpmenterprise.com/content/c060710a.asp - Follow Best practices and get the right people (SME) for each job. - Get the bigger picture of the entire system instead of just discrete or departmental views. Understanding interactions. But don’t (lose) losing sight of the forest for the trees. - Understanding the current processes in depth. - Prioritize key things that need to be done, elements in critical path, customer delivery preference

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    Essay Length: 807 Words / 4 Pages
    Submitted: February 14, 2010 By: Jessica
  • Process of Digestion

    Process of Digestion

    Introduction Since digestive enzymes actually function outside of the body cells in the digestive tract, their hydrolytic activity can be studied in a test tube. We studied starch digestion by salivary amylase, trypsin digestion of protein and pancreatic lipase digestion of fats. The goal of these tests was to understand the optimal environmental conditions needed for digestive enzymes to function. Additionally, it was the goal of the above experiments to learn the role of temperature

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    Essay Length: 1,251 Words / 6 Pages
    Submitted: December 22, 2009 By: Wendy
  • Process of Photosynthesis

    Process of Photosynthesis

    Process of Photosynthesis Photosynthesis is process by which plants containing chlorophyll make carbohydrates from water and carbon dioxide in the air in the presence of light. Green plants and certain other organisms use the energy of light to convert carbon dioxide and water into the simple sugar glucose. Photosynthesis provides the basic energy source for virtually all organisms. An extremely important byproduct of photosynthesis is oxygen, on which most organisms depend. Photosynthesis has far-reaching

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    Essay Length: 424 Words / 2 Pages
    Submitted: April 25, 2010 By: Yan
  • Process of Uranium Ore in Australia

    Process of Uranium Ore in Australia

    currently American nuclear power plants store the spent fuel in spent fuel pools without reprocessing. Why? Mainly because reprocessing is more expensive than making new fuel from uranium ore. .Mining. The first step in the nuclear fuel cycle is mining the uranium ore. Workers mine uranium ore much as coal miners mine coal-in deep underground mines or in open-pit surface mines. A ton of uranium ore in the United States typically contains three to

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    Essay Length: 809 Words / 4 Pages
    Submitted: March 13, 2010 By: Edward
  • Professor Robin Robertson

    Professor Robin Robertson

    Professor Robin Robertson said she could identify students from girls-only schools on the first day of class. “They were the young women whose hands shot up in the air, who were not afraid to defend their positions, and who assumed I would be interested in their perspective.” The topic of single gender schools is recently uprising and concerning many parents and teachers. Single sex school was more popular in the earlier days but they are

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    Essay Length: 1,335 Words / 6 Pages
    Submitted: February 22, 2017 By: Sara Knapp
  • Progeria Report - Hutchison-Gilford Disorder

    Progeria Report - Hutchison-Gilford Disorder

    Genetics determine the traits an individual will inherit from their parents. In society today, the role of genetics is crucial; they decide ones physical appearance as well as their personality. However, if there is a mutation located in one of the genes that a child receives it is very likely a deformity will be present. A rare yet fatal defect from a gene mutation such as this is Progeria. This disorder is an unfortunate one

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    Essay Length: 1,194 Words / 5 Pages
    Submitted: November 22, 2009 By: Mike
  • Prolife/prochoice

    Prolife/prochoice

    Ter Term Papers & Essays Home Sell Buy FAQs Custom Papers Contact Us Close Once you know the basics of AcaDemon search, finding the best paper will never be so easy. " +" Search To specify that the paper must have a certain word, you need to put a "+" in front of that word. E.g.: +affirmative +action will find you only the papers that contain both words "affirmative" and "action". Note that if

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    Essay Length: 1,660 Words / 7 Pages
    Submitted: November 18, 2009 By: Mike
  • Proper Wrist Restraint Tying Technique

    Proper Wrist Restraint Tying Technique

    Problem Statement Unplanned extubation in critical care patients has been greatly scrutinized over the past years because of its contribution in higher risk for mortality, morbidity, and resource utilization (Epstein et al, 2000). Unplanned extubation is defined as a “premature removal of the endotracheal tube by the patient” (Chevron et al, 1998), i.e., self-extubation or “premature removal during nursing care and manipulation of the patient” (Betbese et al, 1998), i.e., accidental extubation. From the review

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    Essay Length: 564 Words / 3 Pages
    Submitted: January 17, 2010 By: Artur
  • Prophase

    Prophase

    Prophase is the 1st phase of Mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During prophase, chromatin condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. These chromosomes are then attached to the mitotic spindle fibers that are formed during this phase. These spindle fibers are specialized microtubules and are responsible for separating the two

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    Essay Length: 321 Words / 2 Pages
    Submitted: August 13, 2015 By: Vanana
  • Pros and Cons of Alternative Medicine

    Pros and Cons of Alternative Medicine

    Medicine has improved in the course of the years. Cultures in the world have developed different ways to treat the same illnesses. Nowadays we can find two main types of medicine: alternative medicine and conventional medicine. As far as I know alternative medicine includes practices that incorporate spiritual or religious basis. In contrast, conventional medicine includes scientific practises. Before making up our mind if we are for or against alternative medicine we are going to

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    Essay Length: 269 Words / 2 Pages
    Submitted: November 17, 2009 By: Monika
  • Prostate Cancer

    Prostate Cancer

    Prostate Cancer Prostate cancer is the second most common cancer in men, although it mainly affects older men. Prostate Cancer is when normal cells grow and multiply in an uncontrolled way, the mass of cells form a tumor which may begin to malignant. However, prostate cancer is rare in men under 50 years old but the risk steadily increases with age and by the time a men reach the age of 80 more than half

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    Essay Length: 270 Words / 2 Pages
    Submitted: December 26, 2009 By: Victor
  • Prostate Cancer

    Prostate Cancer

    Prostate Cancer The prostate is a walnut sized gland that is only found in males. The prostate gland contains cells that make some of the seminal fluid that protects and nourishes sperm. The prostate continues to grow with age, and in older men it can sometimes lead to prostate cancer. (ACS 2006) Prostate cancer is the second most common cancer in men besides skin cancer. The American Cancer society has predicted that there will be

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    Essay Length: 912 Words / 4 Pages
    Submitted: April 21, 2010 By: regina
  • Protein

    Protein

    Proteins play an essential role in the cellular maintenance, growth, and functioning of the human body. Serving as the basic structural molecule of all the tissues in the body, protein makes up nearly 17 percent of the total body weight. Amino acids are the basic components of hormones, which are essential chemical signaling messengers of the body. Hormones are secreted into the bloodstream by endocrine glands, such as the thyroid gland, adrenal glands, pancreas, and

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    Essay Length: 376 Words / 2 Pages
    Submitted: April 23, 2010 By: Max
  • Protein and Fiber Intake

    Protein and Fiber Intake

    Protein and Fiber Intake Protein and Fiber Intake To have a health diet it is important to maintain good levels of protein and fiber in your diet. Almost every part of our bodies is made up of proteins. One thing that I didn’t know before today is that protein structures are found in our bones, nerves, blood vessels, organs, and skin. Protein is important to gain lean muscle, which helps burn fat and keep up

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    Essay Length: 1,600 Words / 7 Pages
    Submitted: December 27, 2009 By: Anna
  • Protein Videogame

    Protein Videogame

    Biologists Enlist Online Gamers Players of a new game will design HIV vaccines and other proteins. By Katherine Bourzac Proteins are the workhorses of biology. Among their many functions, proteins speed chemical reactions, enable blood cells to recognize intruding viruses, and copy DNA. The potential payoffs of making proteins that don't exist in nature, such as those needed for HIV vaccines or as catalysts for more-efficient biofuel production, are huge. But making proteins to meet

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    Essay Length: 527 Words / 3 Pages
    Submitted: March 20, 2010 By: regina
  • Proteins

    Proteins

    Proteins Discovered in 1838, proteins are an organic compound that makes up living organisms and are essential for life. Proteins are the macromolecules of life. Proteins have many different properties and function in a variety of ways. They function as a building structure, in teeth, bones and muscles. They also serve as enzymes, hormones, and neurotransmitters. Its functions of a protein are the most diverse of any family. Whether found in humans, animals, or plants

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    Essay Length: 912 Words / 4 Pages
    Submitted: November 10, 2009 By: Jon
  • Proteins

    Proteins

    PROTEINS. Protein is one of the three main classes of food that provide energy to the body. The others are carbohydrates and fats. Proteins exist in every cell and are essential to plant and animal life. Plants build proteins from materials in the air and the soil. Human beings and animals obtain proteins from food. Foods high in protein include cheese, eggs, fish, and milk. All proteins contain carbon, hydrogen, nitrogen, and oxygen. Some

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    Essay Length: 281 Words / 2 Pages
    Submitted: December 3, 2009 By: Edward
  • Proteins- Structure and Function

    Proteins- Structure and Function

    Solomon Cardy Levels of structure In multi organism cells are specialized according to the function they perform. Specialized cells are grouped together in tissues. 1. Epithelial tissue. 1.1. Cuboidal Epithelium: As their name implies, cuboidal cells are roughly square or cubical in shape. Each cell has a spherical nucleus in the centre. Cuboidal epithelium is found in glands and in the lining of the kidney tubules as well as in the ducts of the glands.

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    Essay Length: 483 Words / 2 Pages
    Submitted: December 6, 2009 By: Tasha
  • Protien Synthesis

    Protien Synthesis

    Protein Synthesis The Expression of a Gene The process of Protein Synthesis involves many parts of the cell. Unlike other similar productions, this process is very complex and precise and therefore must be done in proper sequence to work effectively. The slightest error during this process could cause the action to experience difficulty or even fail. For example, in the production of starch, glucose molecules are combined to be stored and eventually utilized as usable

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    Essay Length: 1,671 Words / 7 Pages
    Submitted: December 20, 2009 By: Mikki
  • Protista Lab

    Protista Lab

    Title- Protista Lab Concept- the concept of this lab was to explore what is in the pond water as living organisms and try to identify what it is. Some types of Protista are multi-cellular like giant kelp. Although they look much like plants, multi-cellular protists lack specialized tissues. Being eukaryotes, they have a membrane-bound true nucleus with linear chromosomes, and they have membrane-bound organelles. The kingdom Protista contains all eukaryotes that are not plants, animals,

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    Essay Length: 380 Words / 2 Pages
    Submitted: December 5, 2009 By: Monika
  • Pseudomonas Aeruginosa Case Study

    Pseudomonas Aeruginosa Case Study

    Case Study 21: Pseudomonas aeruginosa 1) The colony morphology of our case study is gram negative bacilli (rod) and can grow on any agar media. The culture is quite unique because it produces mucoid colonies, sometimes with fringed edges, with a blue-green metallic sheen. This metallic sheen is due to the pigment pyocyanin which is produced by the organism. Under ultraviolet light, the colonies fluoresce due to the compound fluorescein also produced by the organism.

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    Essay Length: 575 Words / 3 Pages
    Submitted: November 11, 2009 By: Tommy
  • Pseudoscience: Magnetic Therapy

    Pseudoscience: Magnetic Therapy

    Pseudoscience refers to research that appears to be science but that lacks some of the underlying key aspects. Often, these include components such as submitting publications for peer review, performing research studies to gather results, and repeating these studies to find similar results. The problem of separating science from pseudoscience generally a difficult one because of the difficulty of defining science. Most scientists would agree that in order for a hypothesis to be scientific, it

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    Essay Length: 1,038 Words / 5 Pages
    Submitted: March 19, 2010 By: Yan
  • Psychic Sense

    Psychic Sense

    Psychic Sense The Sci-Fi channel on your cable TV contains movies and shows that deal with monsters, aliens, outer space adventure, and numerous paranormal activities. Of these paranormal activities, the Sci-Fi channels have shows where normal looking people have abilities to predict the future. Surprisingly, these future predicting characters in TV shows do not only appear on TV. Many today have claimed to have these Sci-Fi abilities of foretelling the future, they are commonly known

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    Essay Length: 1,618 Words / 7 Pages
    Submitted: June 13, 2010 By: Artur
  • Psychoactive Drug Addiction

    Psychoactive Drug Addiction

    A narrow definition of the term addiction refers to habitual psychological and physiological dependence on a substance beyond one's voluntary control. Terms such as "workaholic," "sex addict," and "computer junkie" arose to describe behaviors that have features in common with alcoholism and other substance addictions. Substance addiction is a multi-pronged system in which lifestyle has a role but the biology of a person’s body is a major factor. These substances, which are called psychoactive drugs,

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    Essay Length: 2,230 Words / 9 Pages
    Submitted: January 1, 2010 By: Jack
  • Psychological Effects of Color

    Psychological Effects of Color

    Color affects every moment of our lives although our color choices are mostly unconscious. Color has a great emotional impact on a person that comes out via the clothes we chose to wear, decorations to fill our homes, personality, foods we choose to eat and many more ways. It is possible to introduce colors to different areas of daily life to give off more energy, soothing affects, stimulate appetites and sexual motivation or even give

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    Essay Length: 1,895 Words / 8 Pages
    Submitted: December 4, 2008 By: Victor
  • Psychology

    Psychology

    Running head: COLLEGIATE CHRISTIAN COUNSELING Collegiate Counseling In the Realm of Christian Psychology Justin Tippins North Greenville University In partial fulfillment of the requirements for PSY 2567 Mr. Bill McManus November 20, 2006 Abstract Collegiate counseling covers a wide variety of topics. From suicide to class changes, the collegiate Christian counselor needs to be ready to observe, listen and react in appropriate manners to students and faculty in a healthy and constructive manner. Christian counseling

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    Essay Length: 312 Words / 2 Pages
    Submitted: November 19, 2009 By: Vika
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