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4,609 Essays on Science. Documents 61 - 90

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  • A&p Quiz Abc

    A&p Quiz Abc

    HEATHER TOUPS A/P I T&R 10TH EDITION TEXT SELF QUIZ CHAPTER 3 Fill in the blanks in the following statements. 1. The three principal parts of the cell are the plasma membrane, cytoplasm and nucleus 2. Apoptosis refers to programmed cell death, whereas necrosis refers to cell death resulting from tissue injury. 3. The fluid portion of the cytoplasm is the cytosol 4. List three causes of cellular aging. 1)shortening and loss of protective polemeres

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    Essay Length: 3,742 Words / 15 Pages
    Submitted: May 16, 2010 By: Mike
  • Ability to Make Critical Judgments About Biomedical Research Projects

    Ability to Make Critical Judgments About Biomedical Research Projects

    Ability to make critical judgments about biomedical research projects. For the past eight years, I have been involved with biomedical research projects in academia and at the National Institutes of Health. As a Visiting Fellow at the Laboratory of Developmental Neurobiology, I have conducted numerous experiments in neurobiology, which requires a strict understanding of procedural accuracy and the ability to apply crucial judgment in all phases of experimentation. For example in 2000, I conducted experiments

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    Essay Length: 342 Words / 2 Pages
    Submitted: December 6, 2009 By: Tasha
  • Ablutophobia: The Fear of Washing and Bathing

    Ablutophobia: The Fear of Washing and Bathing

    Ablutophobia The Fear of Washing or Bathing Ablutophobia, defined as the fear of washing, bathing and cleaning is an intense fear that poses no or little danger. Just thinking about bathing could cause a number of symptoms such as: breathlessness, dizziness, excessive sweating, nausea, dry mouth, feeling sick, shaking, heart palpitations, inability to speak or think clearly, a fear of dying, becoming mad or losing control, a sensation of detachment from reality or even

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    Essay Length: 639 Words / 3 Pages
    Submitted: December 24, 2009 By: Mike
  • Abortion

    Abortion

    Abortion is the immoral way of ending pregnancy by emptying the uterus with special instruments. May young and older women look towards abortion, when they either don’t want or can’t have the baby (due to economic or other reasons). The question is whether or not abortion is right or wrong? I personally think abortion is wrong but if there is an absolutely good reason for it, it may have to be done. One may

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    Essay Length: 463 Words / 2 Pages
    Submitted: November 26, 2009 By: Bred
  • Abortion

    Abortion

    On January 22, 1973, the United States Supreme Court legalized abortion. When I t ruled that abortion was legal, the court not only gave women the right to choose but also gave the unborn babies the right to die. Since that day, millions upon millions of unborn children have been ripped apart, burned with saline solutions, and sucked from their mother’s wombs. With every abortion that occurs another inaudible scream from the unborn child is

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    Essay Length: 1,389 Words / 6 Pages
    Submitted: January 8, 2010 By: Tasha
  • Abortion

    Abortion

    Until recently, most neonatalogist believed that babies in the womb were mostly immune to feeling pain. With the advent of sonograms and live-action ultrasound images, doctors and nurses began to see unborn babies at 20 weeks gestation react physically to outside stimuli such as sound, light and touch. Researchers say that the sense of touch is so acute that even a single human hair drawn across an unborn child's palm causes the baby to

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    Essay Length: 572 Words / 3 Pages
    Submitted: January 30, 2010 By: regina
  • Abortion - Most Controversial Issue

    Abortion - Most Controversial Issue

    Abortion is one of the most controversial issues in America today. Abortion is the ending of pregnancy before birth. There are approximately 1.5 million abortions every year in this country. Abortion was made legal in the 1970s. However, pro-life activists argue that it is murder. Should the government have the legal power to take away a woman's right to make decisions regarding her own body? An abortion results in the death of an embryo or

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    Essay Length: 1,074 Words / 5 Pages
    Submitted: December 16, 2009 By: Jessica
  • Abortion - Should the Government Have the Legal Power to Take Away a Woman's Right to Make Decisions Regarding Her Own Body?

    Abortion - Should the Government Have the Legal Power to Take Away a Woman's Right to Make Decisions Regarding Her Own Body?

    Abortion is one of the most controversial issues in America today. Abortion is the ending of pregnancy before birth. There are approximately 1.5 million abortions every year in this country. Abortion was made legal in the 1970s. However, pro-life activists argue that it is murder. Should the government have the legal power to take away a woman's right to make decisions regarding her own body? An abortion results in the death of an embryo or

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    Essay Length: 1,074 Words / 5 Pages
    Submitted: January 22, 2010 By: Monika
  • Abortion - Slaughtering the Young

    Abortion - Slaughtering the Young

    Abortion, the easiest way to fix one's mistakes. I mean, if one is going to screw around and accidentally get knocked up, why should they have to be responsible for the outcome of messing around. Why not just murder the unborn child. That is what goes on daily, slaughtering of young, innocent children, that if born, would easily find a home. What did they [the unborn child] do wrong? Oh nothing, it's just that the

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    Essay Length: 615 Words / 3 Pages
    Submitted: December 6, 2009 By: Andrew
  • Abortion - to Kill or Not to Kill

    Abortion - to Kill or Not to Kill

    “To kill or not to kill” It is evident that abortion is an issue that will not subside. There are two completely opposite sides of this issue in which no compromise appears to be apparent. The controversy lies on whether or not we believe human life begins at conception. By definition, life does begin at conception. The definition of alive means that the being is growing, developing, maturing, and replacing its own dying cells. These

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    Essay Length: 324 Words / 2 Pages
    Submitted: May 22, 2010 By: Jack
  • Abortion in Society

    Abortion in Society

    With recent advances in prenatal screening, many unborn babies found to have Down syndrome are aborted. Society is proceeding down a slippery slope to the use of abortion to get rid of "imperfect" babies. The legalization of abortion has helped create a society that regards death as an acceptable solution to life's problems. Here's something to remember the next time the name of Joycelyn Elders, former surgeon general and lightning rod, is affixed to another

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    Essay Length: 712 Words / 3 Pages
    Submitted: November 13, 2009 By: Stenly
  • About Energy Balance of Producing Ethanol: Ethanol Is Energy Efficient

    About Energy Balance of Producing Ethanol: Ethanol Is Energy Efficient

    About Energy Balance of Producing Ethanol: Ethanol is Energy Efficient People interested in ethanol production often ask about the net energy balance of ethanol production. Energy is measured in BTUs or British Thermal Units. In 2004, the United Department of Agriculture (USDA) determined the net energy balance of corn ethanol to be 1.67 to 1. This means that for every BTU of energy used to make ethanol, 1.67 BTUs are produced. These measurements have been

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    Essay Length: 483 Words / 2 Pages
    Submitted: March 23, 2010 By: Vika
  • About the Atom

    About the Atom

    About the Atom Rakesh Mohan Hallen Atomos is a Greek word, which means something that cannot be divided further. The familiar English word ‘atom’ indeed originated from this Greek word. It has been in vogue for at least past two centuries. A very large number of phenomena, which form the backbone of this column, can only be explained using this word. No wonder many of our readers are very curious to have some more details

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    Essay Length: 514 Words / 3 Pages
    Submitted: March 6, 2010 By: Jack
  • Abscisic Acid and Stomatal Closure

    Abscisic Acid and Stomatal Closure

    Abscisic Acid and Stomatal Closure Abscisic acid is a single compound unlike the auxins, gibberellins, and cytokinins. It was called "abscisin II" originally because it was thought to play a major role in abscission of fruits. Though ABA generally is thought to play mostly inhibitory roles, it has many promoting functions as well. In 1963, abscisic acid was first identified and characterized by Frederick Addicott and his associates. They were studying compounds responsible for the

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    Essay Length: 454 Words / 2 Pages
    Submitted: April 25, 2010 By: Top
  • Absence of Evidence, or Evidence of Absence; a Paper on Animal Consciousness

    Absence of Evidence, or Evidence of Absence; a Paper on Animal Consciousness

    Absence of Evidence, or Evidence of Absence? A paper on Animal Consciousness December 15, 2004 ANSCI 305 Consciousness is a difficult term to grasp; so much so, that many scientists will not even attempt to define the term, much less search for it’s evidence. Most however, do agree that consciousness must include certain aspects; specifically cognition, self-awareness, memory, and abstract thought. Lesley J. Rogers describes consciousness as, “related to awareness, intelligence, and complex cognition,

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    Essay Length: 2,134 Words / 9 Pages
    Submitted: March 20, 2010 By: Vika
  • Absolute Zero

    Absolute Zero

    During the seventeenth century in England, outside temperatures reached so low during the winter that it is actually considered to be a “mini ice age” by scientists today. During this time, people were still somewhat fatalistic and believed that cold was an act of god, and that people should just leave it alone. That was until an alchemist named Cornelius Drebbel came along. Drebbel bet the King he could turn summer into winter by chilling

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    Essay Length: 831 Words / 4 Pages
    Submitted: February 16, 2010 By: Edward
  • Absract for Role of Arm Motion in the Standing Long Jump

    Absract for Role of Arm Motion in the Standing Long Jump

    Ashby, B.M., Heeggaard, J.H.(2002). Role of arm motion in the standing long jump. Journal of Biomechanics, 35 1631-1637 Purpose The purpose of this study was to discover the role and use of arm motion on the performance of the standing long jump and if it improves the distance of the jump. The study also investigated the additional benefits of the use of arms in balancing the body for optimal landing and different forces during the

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    Essay Length: 728 Words / 3 Pages
    Submitted: December 24, 2009 By: Tasha
  • Abstract

    d Powerball Lottery: Six Numbers Have Power To Change Your Life Abstract Powerball is a combined jackpot game with cash rewards. Each Powerball ticket costs $2. Player needs to match six numbers total by picking five white balls out of 59 white balls (numbered 1 to 59) and one red ball out of 35 red balls (numbered 1 to 35). There are nine possible winning ways starting with just matching the red ball number which

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    Essay Length: 309 Words / 2 Pages
    Submitted: December 13, 2014 By: qiansunn
  • Acatalasia

    Acatalasia

    Several rare electrophoretic variants of red cell catalase were identified by Baur (1963). Nance et al. (1968) also described electrophoretic variants. Data on gene frequencies of allelic variants were tabulated by Roychoudhury and Nei (1988). Wieacker et al. (1980) assigned a gene for catalase to 11p by study of man-mouse cell hybrid clones. In the hybrid cells, detection of human catalase was precluded by the complexity of the electrophoretic patterns resulting from interference by a

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    Essay Length: 1,837 Words / 8 Pages
    Submitted: January 7, 2010 By: July
  • Acceleration Lab Report

    Acceleration Lab Report

    Xuan Ho November 9, 2015 Force on an Incline/Newton’s Third Law Lab Introduction Acceleration is defined as the rate of change in velocity of an object. When combined with a ramp, patterns can be concluded. The angle of an incline is a very influential factor when determining acceleration. For example, if the incline was of a small angle, an object being rolled down will be slower and could be easily timed. However, if the incline

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    Essay Length: 1,144 Words / 5 Pages
    Submitted: February 4, 2016 By: phsib2016
  • Accidental Discoveries in Medicine

    Accidental Discoveries in Medicine

    Accidental Discoveries in Medicine Over the years, there have been many new advances in technology, food, and medicine. While things like the computer, the internet, and television were found to an extent on purpose; there have been a number of accidental discoveries in these areas as well. When thinking of accidental discoveries in the modern world, one may struggle to come up with anything. This could be that people are not educated with the origin

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    Essay Length: 1,867 Words / 8 Pages
    Submitted: June 9, 2010 By: Jack
  • Accounting

    Accounting

    Accounting view points The adoption of a particular viewpoints of accounting is a function of a range of factors including history and culture, soceital values, the nature of economic activity and the objectives of those who prepare intrepret and apply accounting information. The established objective of the accounting is the measurement and reporting of the economic activity of an entity. Then, there are significant changes to reporting by entities because of the consideration of the

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    Essay Length: 930 Words / 4 Pages
    Submitted: April 26, 2011 By: diannarenata
  • Accounting for Leases - Ias 17 Leases

    Accounting for Leases - Ias 17 Leases

    Introduction IAS 17 Leases sets out the treatment for reporting lease transactions in the financial statements. Leases are a major source of finance to a business and it is important that the financial statements disclose sufficient information to the readers of the financial statements. IAS 17, paragraph 10, states, "whether a lease is a finance lease or an operating lease depends on the transaction rather than the form of contract". Substance over form Information in

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    Essay Length: 494 Words / 2 Pages
    Submitted: April 30, 2011 By: dennis1234
  • Accounting of Forest Carbon Sinks

    Accounting of Forest Carbon Sinks

    Today, forests in the northern hemisphere are a sink for carbon dioxide (CO2) from the atmosphere, partly due to changes in forest management practice and intensity. Parties of the Kyoto Protocol had the option to elect to account for direct human-induced carbon (C) sources and sinks from land management activities since 1990. The effect of age–class structure of a forest landscape resulting from past practices and disturbances before the reference year 1990 should be excluded,

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    Essay Length: 352 Words / 2 Pages
    Submitted: May 4, 2011 By: nancyforever33
  • Acetone and Butanol Fermentation

    Acetone and Butanol Fermentation

    Introduction The production of acetone and butanol by means of solvent-producing strains of Clostridium spp. was one of the first large-scale industrial fermentation processes to be developed,and during the first part of this century it ranked second in importance only to ethanol fermentation. The reason for the almost total demise of this fermentation in the early 1960s was the inability of the fermentation process to compete economically with the chemical synthesis of solvents. However,

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    Essay Length: 4,973 Words / 20 Pages
    Submitted: March 5, 2010 By: Tommy
  • Acetylsalicylic Acid Lab

    Acetylsalicylic Acid Lab

    Acetylsalicylic Acid September 15, 2005 September 23, 2005 OBJECTIVES The objective of this lab experiment is to prepare aspirin (acetylsalicylic acid) by reacting salicylic acid and acetic anhydride. INTRODUCTION This purpose of this lab was to prepare aspirin using its basic components: salicylic acid and acetic anhydride. Salicylic acid and acetic anhydride, along with an acid catalyst, react to form acetylsalicylic acid (aspirin) and acetic acid. In this reaction, the hydroxyl group on the benzene

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    Essay Length: 1,364 Words / 6 Pages
    Submitted: May 5, 2010 By: Yan
  • Achondroplasia

    Achondroplasia

    1. Describe the phenotype of individuals with achondroplasia, a common form of dwarfism. Individuals with achondroplasia exhibit short stature, short limbs, a long torso relative to the limbs, a large head with a broad forehead, underdevelopment of the midface (depressed nose bridge), and hyperextensibility of the joints with the exception the elbow where movement is limited. (http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=100800) 2. Achondroplasia is the result of a mutated gene. a. What is the chromosomal location of this gene?

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    Essay Length: 365 Words / 2 Pages
    Submitted: May 17, 2010 By: Fonta
  • Acid Deposition (acid Rain)

    Acid Deposition (acid Rain)

    Acid deposition comes in the form of either dry, airborne acidic particles or precipitation. Dry acid deposition can come in the form of either sulfur dioxide gas or sulfur and nitrogen salts. Acid precipitation occurs in forms such as rain, snow, mist, and fog. With industry steadily increasing throughout the world, the problem of acid deposition grows. Acid deposition has many negative effects - on the environment, on the economy, and on human health. Action

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    Essay Length: 869 Words / 4 Pages
    Submitted: June 3, 2010 By: Mike
  • Acid Deposition - Alberta’s Electrical

    Acid Deposition - Alberta’s Electrical

    Acid Deposition Alberta’s electrical needs are met by the combustion of thermal coal. This is how about 90% of electrical power is produced in Alberta. Alberta’s thermal coal is the prime source of Alberta’s electricity but it produces acid rain. Though acid rain is not a significant due to the prevailing winds carrying the exhaust from coal burning plants. There are significant reasons why we should change our electrical powers needs and why we shouldn't.

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    Essay Length: 418 Words / 2 Pages
    Submitted: February 22, 2015 By: Zerkyl
  • Acid Precipitation: Causes, Effects, and Implications

    Acid Precipitation: Causes, Effects, and Implications

    Acid Precipitation: Causes, Effects, and Implications Contents 1 Introduction ……………………………………………………………………… 3 2 What is Acid Precipitation?……………...………………………………………. 3 2.1 Definition ……………………………...………………………………… 3 2.2 Common Pollutants and Reactions Involved …….….…………………… 4 2.3 Sources of Acid Precipitation Pollutants ………………………………... 5 3 The Harmful Effects of Acid Precipitation ……………………………………… 6 3.1 Effects on Aquatic Systems ……………………………………………... 6 3.2 Effects on Forests and Other Terrestrial Ecosystems ….……………….. 7 3.3 Effects on Man-Made Structures and Materials ………………………… 8 3.4 Effects

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    Essay Length: 3,149 Words / 13 Pages
    Submitted: January 28, 2010 By: Wendy

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