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2,671 Science Free Essays: 301 - 330

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  • Biological Impacts of Climate Change

    Biological Impacts of Climate Change

    Title: Biological Impacts of Climate Change John P McCarty is the Direct of Environmental Studies at the University of Nebraska Omaha. His research work has ranged from ecology to the behavior and evolution of birds. L. LaReesa Wolfenbarger is an Associate professor of Biology at the University of Nebraska Omaha.

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    Words: 1,084  •  Pages: 5
  • Biological Models with Time Delay Differential Equations

    Biological Models with Time Delay Differential Equations

    Formulation equation, Equilibrium point and positivity test of model The corresponding model is given by the following equations: Parameter Descriptions o Concentration of oxygen at time t. p Density of phytoplankton. z Density of zooplankton. A Environmental factor on the rate of Oxygen production. f(o) Concentration of dissolve oxygen function.

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    Words: 1,218  •  Pages: 5
  • Biological Warfare

    Biological Warfare

    The world's human population may be destroyed in the near future due to epidemics and wars using biological warfare. Epidemics have been recorded throughout history in different parts of the world. An epidemic is generally a widespread disease that affects many individuals in a population. The proportions of an epidemic

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    Words: 1,286  •  Pages: 6
  • Biology

    Biology

    The biological identity of the genus Pseudomonas has changed dramatically in recent years during the transition between artificial classification based on phenotypic properties (e.g. Bergey's Manual of Systematic Bacteriology,1st ed., 1986) and revisionist classification based on genotypic (phylogenetic) properties (e.g. Bergey's Manual of Systematic Bacteriology, 2nd ed., 2001). However, in

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    Words: 4,005  •  Pages: 17
  • Biology

    Biology

    Biology, the science of life. The term was introduced in Germany in 1800 and popularized by the French naturalist Jean-Baptiste de Lamarck as a means of encompassing the growing number of disciplines involved with the study of living forms. The unifying concept of biology received its greatest stimulus from

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    Words: 504  •  Pages: 3
  • Biology

    Biology

    Introduction: During the begging of the week we were assign a project. It was about Osmosis procedure with an egg. We were instructed to use four steps. First, we had to weight the egg. After weighting the egg we recorded it in our data chart. Then when we receive a

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    Words: 471  •  Pages: 2
  • Biology - Ranking of the Organelles

    Biology - Ranking of the Organelles

    Although there probably isn’t a definitive ranking because every organelle depends on the other in order to function properly, there are some organelles that seem to be of greater importance. Between providing structural support, energy production, material transportation, and cell maintenance, the tasks carried about by the various organelles in

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    Words: 612  •  Pages: 3
  • Biology - Secondary Data Results

    Biology - Secondary Data Results

    Secondary Data Results Each enzyme has an optimum temperature at which it performs best. Below or above this temperature, the enzyme loses its functionality. Table 1 shows the results obtained on how enzyme activity of salivary amylase is affected by temperature. Extreme temperatures cause the native folded structure of proteins

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    Words: 484  •  Pages: 2
  • Biology 181 Essay

    Biology 181 Essay

    Define the products of light-dependent reactions and the Calvin Cycle. в-Ў Cells use the energy and reducing power captured by the light-dependent reaction to make organic molecules в-Ў Calvin Cycle- For every 3 molecules of CO2 that enter the cycle, 1 molecule of the 3-carbon compound, glyceraldenyde 3-phosphate (G3P) is

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    Words: 713  •  Pages: 3
  • Biology And Culture: Reasoning As To Why Women Are Under-Represented In Math And Science

    Biology And Culture: Reasoning As To Why Women Are Under-Represented In Math And Science

    In 2005, January 14, Lawrence H. Summers, ex-President of Harvard, made a speech on the under-representation of women in careers involving science and mathematics. He ignited an uproar when he said, among other hypotheses, that innate differences in math ability between men and women might be one reason as to

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    Words: 1,649  •  Pages: 7
  • Biology Coursework

    Biology Coursework

    Biology coursework The aim of this experiment is to investigate the affect of pH on the enzyme amylase. The amylase is used to break down the polysaccharide starch. Amylase is a digestive enzyme classified as a saccharidase (an enzyme that cleaves polysaccharides). It is mainly a constituent of pancreatic juice

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    Words: 396  •  Pages: 2
  • Biology Homework 1

    Biology Homework 1

    Name _Kristin Dixon_______ Human Biology homework 1 15 points 1. Minnesota and Washington state are at similar latitudes, and yet on average, Washington has warmer winters and cooler summers than Minnesota does. What property of water helps account for this difference? High heat capacity. Water is able to absorb a

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    Words: 367  •  Pages: 2
  • Biology Lab

    Biology Lab

    IB SL Biology Lab Molecular Biology: Transformation and Electrophoresis Christina Qi 2/16/07 Aim: How can a plasmid be engineered to include a foreign piece of DNA and how does gel electrophoresis separate DNA molecules present in a mixture? Hypothesis: If the pGLO plasmid is inserted into competent Escherichia coli cells,

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    Words: 2,261  •  Pages: 10
  • Biology Presentation For The Skeleton

    Biology Presentation For The Skeleton

    Intro - slide 1 - acetate 1 The skeleton of a human foetus is formed from tough but flexible cartilage that acts as a blueprint for bone construction. During ossification ( the changing of cartilage to bone) which begins before birth, the cartilage is broken down and the resulting space

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    Words: 880  •  Pages: 4
  • Biology Report

    Biology Report

    Tashi Gilmore 11BIO3 Pre-visit Questions – Terrigal Lagoon Wetlands 1. Use the information provided to describe the ecosystem, include location, climate, regional attributes and values, catchment – land use, study site – site map Terrigal lagoon is one of the four coastal lagoons in the Gosford area. Covering an area

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    Words: 701  •  Pages: 3
  • Biology Timeline

    Biology Timeline

    4.5 Billion years ago * Gas condenses: Gravity compresses the hot particles thus forming our planet. * Our planet cools: heat and gas escape the crust through volcano's. 4.0 Billion years ago * Rain and steam create oceans: Evaporation produces a rich soupy breeding ground * Hydrogen, nitrogen, CO2 and

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    Words: 399  •  Pages: 2
  • Biology-Dna Fingerprinting And Polymerase Chain Reaction

    Biology-Dna Fingerprinting And Polymerase Chain Reaction

    In this coursework I will be exploring two issues, my major issue being DNA Fingerprinting and my minor issue is PCR (Polymerase Chain Reaction). DNA Fingerprinting (Obtained from www.anselm.edu/.../genbio/geneticsnot.html) (The diagram above shows that the defendant had the victim’s blood on his clothes) Web Description: A method of comparing the

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    Words: 1,687  •  Pages: 7
  • Biology101 - Darwin

    Biology101 - Darwin

    Biology101 - Darwin Fact 1: Populations can theoretically grow exponentially and unlimitedly. Fact 2: The size of population stays more or less stable despite occasional fluctuations. Fact 3: The resources (food, water, living space etc.) needed by a population are limited. Question 1: What did Darwin conclude from these three

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    Words: 397  •  Pages: 2
  • Biometerics

    Biometerics

    Biometrics Biometrics is the technology of authenticating a person's identity by verifying a personal characteristic. Biometric devices grant users access to programs, systems, or rooms by analyzing some biometric identifier (Schmidt 54-62). A biometric identifier is a physical or behavioral characteristic. Examples include fingerprints, facial features, hand geometry, voice patterns,

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    Words: 355  •  Pages: 2
  • Biometrics

    Biometrics

    Biometrics Biometrics is the technology of authenticating a person's identity by verifying a personal characteristic. Biometric devices give users access to programs, systems, or rooms by analyzing some biometric identifier (Schmidt 54-62). A biometric identifier is a physical or behavioral characteristic. Examples include fingerprints, facial features, hand geometry, voice patterns,

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    Words: 313  •  Pages: 2
  • Biometrics

    Biometrics

    Topic: Biometrics Paper: 1 Introduction In the past, to protect information, the only precautions needed were securing the documents by locking them in a desk drawer or locking the office door. Unfortunately, those days are long gone. As technology has evolved, so has the need for better security measures. Researching

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    Words: 2,245  •  Pages: 9
  • Biopure

    Biopure

    Case Analysis: Biopure Corporation. Background Analysis: General Market Assessment: Biopure Corporation makes Blood substitutes for animals and human beings. Blood substitutes are designed to replicate the oxygen carrying function of blood. Biopure specializes in making blood substitutes that were “bovine-sourced” i.e. from cattle. For the Human market Biopure had a

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    Words: 504  •  Pages: 3
  • Biosphere

    Biosphere

    Did you know that the biosphere II is a 7.2 million cubic foot greenhouse? The Biosphere II was made to be a mini- world, which was meant to mimic Biosphere I, The Earth. The Biosphere II has 7 different biomes including, and ocean, a desert, a savannah, a marsh, and

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    Words: 739  •  Pages: 3
  • Biosphere

    Biosphere

    Homework: Biosphere: (Ecosphere) Linda Blanc January 17, 201 http://astro.hopkinsschools.org/course_documents/earth_moon/earth/earth_science/biosphere/biosphere2.jpg 6 Biosphere is defined as that part of the earth and atmosphere in which many smaller ecosystems exist and operate. Three main subdivisions of the biosphere are lithosphere which is solid matter; hydrosphere which is liquid matter, and atmosphere or the

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    Words: 746  •  Pages: 3
  • Biotechnology

    Biotechnology

    Genetically Modified Foods Are genetically modified foods safe? Genetically modified foods are crop plants created for human or animal consumption using molecular biological techniques. These plants have been modified to enhance certain traits like increased resistance to herbicides or improve nutritional content. This process traditionally has been done through breeding,

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    Words: 1,276  •  Pages: 6
  • Biotechnology and Medicinal Biochemistry

    Biotechnology and Medicinal Biochemistry

    Topic: Biotechnology and medicinal biochemistry Field: Life Science Although it may seem like biotechnology is a faraway technology for the major part of the public. It has become a not so distant technology with a sharp rise in development over the past few years. Humans have been using concepts of

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    Words: 1,414  •  Pages: 6
  • Biotechnology Position Paper

    Biotechnology Position Paper

    Biotechnology Position Paper Genetically engineered and modified foods are not only one of the worlds prime concerns, but have recently developed into one of the most widely debated issues in all of North America. Arguments aside, the problem is going to be one that the world is going to have

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    Words: 2,061  •  Pages: 9
  • Biotechnology, a Solution to World Hunger and Malnutrition

    Biotechnology, a Solution to World Hunger and Malnutrition

    Biotechnology, a solution to World Hunger and Malnutrition Yousef Khalid 370 Bassam AlAssal GBIO 100 Sec.No. 01 Fall 18-19 The main focus of this paper is to shed light on how to end world hunger as it is one of the most dramatic problems currently affecting several areas of the

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    Words: 789  •  Pages: 4
  • Biotecnology

    Biotecnology

    Biotechnology Biotechnology is the use of microorganisms, such as bacteria or yeast, or biological substances, such as enzymes, to perform specific industrial or manufacturing processes. This is a in depth look into the pharmaceutical side of biotechnology. Since pharmaceuticals is very important part of biotechnology. This paper is the F.D.A.

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    Words: 1,591  •  Pages: 7
  • Biotreatment Of Wastewater Using Aquatic Invertebrates, Daphnia Magna And Paramecium Caudatum

    Biotreatment Of Wastewater Using Aquatic Invertebrates, Daphnia Magna And Paramecium Caudatum

    The article, Biotreatment of wastewater using aquatic invertebrates, Daphnia magna and Paramecium caudatum, mainly pertains to the idea of cleaning dirty, polluted water. Every since we, as a society, have switched from an agrarian to an industrial way of life, our waters have become increasingly polluted. Thus, scientists have

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    Words: 628  •  Pages: 3

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