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Free research essays on topics related to: enzyme

73 results found, view free essays on page:

  • Rate Of Reaction Bunsen Burner
    1,230 words
    Investigate A Factor Which Affects the Rate Of Fermentation Of Yeast This experiment is investigating one of the factors which affects the rate of fermentation of yeast. Several factors affect the rate of reaction: &# 61656; Increasing the concentration. (See the lock and key theory. ) If the substrate (glucose) is increased, then there would be more keys for the locks, therefore an increase in reactant concentration leads to an increase in reaction rate. &# 61656; The surface area, the bigger t...
    Free research essays on topics related to: carbon dioxide, rate of reaction, chemical reactions, degrees celsius, bunsen burner
  • Rate Of Reaction Carbon Dioxide
    1,229 words
    ... onward sources, from a textbook, encyclopedia, and preliminary work that I have done in class. I have shown my results on a bar chart and a line graph. On the line graph, I have drawn a curve of best-fit. There were no anomalous results. From my results, and my graph, I have found out that as the temperature of the enzymes (yeast in this case) is increased, the rate of reaction speeds up. However, when the temperature reached a certain point, (about 40 degrees Celsius), the enzymes became de...
    Free research essays on topics related to: chemical reactions, rate of reaction, carbon dioxide, degrees celsius, reaction rate
  • Phenylalanine Hydroxylase Pah Enzyme Phenylalanine Hydroxylase Pah Pku
    899 words
    Phenylketonuria is one of the commonest inherited disorders - occurring in approximately 1 in 10, 000 babies born in the U. S. It occurs in babies who inherit two mutant genes for the enzyme phenylalanine hydroxylase (PAH). This enzyme normally breaks down molecules of the amino acid phenylalanine that are in excess of the body's needs for protein synthesis. Because we inherit two copies of the gene for the enzyme, both must be defective to produce the disease. A laboratory test that measures ho...
    Free research essays on topics related to: allele, enzyme, approximately 1, mutant, gene
  • Amino Acids Calvin Cycle
    2,100 words
    ... E PHOTO REVIEW HANDOUT W/ EXPLANATION BELOW 6. Non-Cyclic electron Photo phosphorylation (Figure 13 - 34 = Z Scheme with electron volt ratings) (1) Mn -center - Water Oxidizing Enzyme (3) Plastoquinone e- carrier aromatic ring w/ long chair hydrocarbon not attached to PS II (4) Cytochrome b 6 - e- carrier Heme (Fe) containing protein Fe 2 + Fe 3 + (b) Sets up H+ gradient between Stroma and Thylakoid lumen (c) H+ pumped from stroma into lumen (d) Flow out through CF 0 CF 1 ATPase imbedded in ...
    Free research essays on topics related to: base pair, amino acids, gene expression, calvin cycle, genetic material
  • Important To Understand University Of Texas
    1,893 words
    An Introduction To Telomere and Telomerase The telomere-telomerase hypothesis of aging and cancer is based on the findings that most human tumors have telomerase activity while normal human somatic cells do not. An emerging hypothesis is that the up regulation or re expression of telomerase is a critical event responsible for continuous tumor cell growth. In contrast to normal cells, tumor cells show no loss of average telomere length with cell division. Through this suggestion immortal ization ...
    Free research essays on topics related to: cancerous cells, important to understand, cancer cells, dna sequences, university of texas
  • Tay Sachs Genetic Disorder
    590 words
    The genetic disorder I have looked at in this scientific statement is Tay-Sachs disease or TSD, a serious, inherited fatal brain disorder. The disease is named after Warren Tay, a British ophthalmologist who first described the disease in 1881 and a New York neurologist, Bernard Sachs; who first described the cellular changes and the genetic nature of the disease in 1887. This rare hereditary disease is caused by a genetic mutation that leaves the body unable to produce an enzyme; a protein that...
    Free research essays on topics related to: nerve cells, chemical reactions, tay sachs, genetic disorder, gene therapy
  • Tay Sachs Disease Sickle Cell Disease
    663 words
    Each year a number of children are born with biological defects that impair normal function. For THREE of the following conditions, discuss such aspects as the biological cause, the methods of treatment and possible means of detection and / or prevention. One lethal disorder inherited as a recessive allele is Tay-Sachs disease. This is caused by a dysfunctional enzyme that fails to break down brain lipids of a certain class. The symptoms usually become manifest a few months after birth. Some sym...
    Free research essays on topics related to: brain cells, tay sachs disease, molecular level, allele, sickle cell disease
  • Cell Membrane Electron Transport Chain Biochemical Pathway
    684 words
    1. The cell membrane structure is vital to the life of the cell. The cell membrane is shaped as having a phosphate head at the very outer surface, and two fatty acid tails hanging from it. The membrane is double, so at the tip of the fatty acid tails, there are two more fatty acid tails attached to another phosphate head. This is what it looks like: The reason the cell membrane is shaped like this is mainly to control the water flow in and out of the cell. Water is very important to the cell: if...
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  • Studying The Human Genome Project
    801 words
    The Human Genome Project is a 15 -year international research program to find the estimated 80, 000 human genes and determine the sequence of the three billion DNA building blocks that underlie all of human biology and its diversity. The purpose of The Human Genome Project will characterize the genomes of human and selected model organisms through complete mapping and sequencing of their DNA. It will also develop technologies for genomic analysis and examine the ethical, legal, and social implic...
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  • H 2 O 2 O 2
    828 words
    Purpose - The purpose of this lab is to use a chemical titration to measure and them calculate the rate of conversion of hydrogen peroxide (H 2 O 2) to water and oxygen gas using the enzyme catalase. Hypothesis - The rate of enzymatically-catalyzed reactions can be determined by taking time reactions at different time intervals. When the rates are plotted on a graph, the rate of the reaction is the slope of the linear portion of the curve. To determine a rate, any two points on the straight-line...
    Free research essays on topics related to: hydrogen peroxide, reaction rate, 2 o 2, h 2 o, test tube
  • Reverse Transcriptase Aids Virus
    1,574 words
    The AIDS virus is one of the most deadly and most wide spread diseases in the modern era. The disease was first found in 1981 as doctors around the United States began to report groups of young, homosexual men developing a rare pneumonia caused by an organism called Penumocystis casino. These patients then went on to develop many other new and rare complications that had previously been seen only in patients with severely damaged immune systems. The Center for Disease Control in the United State...
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  • Organic Molecules Life Span
    525 words
    The expression of genes is very complicated and is regulated by a number of things. Something that has a major effect on enzyme regulation and stability is temperature. Since enzymes are biochemical catalysts, made up at least partially of protein, they are sensitive in varying degrees to heat. Raising temperatures of the environment generally multiplies the degree of activity by the enzyme. Once an optimum temperature has been reached, however, temperatures that are too high will denature the e...
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  • Plasma Membrane Molecular Biology
    2,683 words
    What Are The Major Components Of Biological What Are The Major Components Of Biological Membranes And How Do They Contribute To Membrane Function? . What Are The Major Components of Biological Membranes And How Do They Contribute To Membrane Function? . Summary. The role of the biological membrane has proved to be vital in countless mechanisms necessary to a cells survival. The phospholipid bilayer performs the simpler functions such as compartment ation, protection and osmoregulation. The prote...
    Free research essays on topics related to: plasma membrane, membranes, proteins, molecular biology, membrane
  • Genetically Engineered Restriction Enzymes
    2,958 words
    Genetic Engineering Discuss the applications and techniques involved in genetic engineering. Consider the advantages and disadvantages of this approach. Genetic engineering is an umbrella term that can cover a wide range of ways of changing the genetic material the DNA code in a living organism. This code contains all the information, stored in a long chain chemical molecule, which determines the nature of the organism. Apart from identical twins, genetic make-up is unique to each individual. In...
    Free research essays on topics related to: restriction enzymes, genetically engineered, identical twins, genetic engineering, genetic engineers
  • Digestive Enzymes Kinetic Energy
    788 words
    Introduction Enzymes are Enzymes Enzymes Essay Introduction Enzymes are the sparks that start the essential chemical reactions our bodies need to live. They are necessary for digesting food, for stimulating the brain, for providing cellular energy, and for repairing all tissues, organs, and cells. There are three types of enzymes: metabolic enzymes, digestive enzymes, and food enzymes. Metabolic enzymes catalyst, or spark, the reactions within the cells. The bodys organs, tissues and cells are r...
    Free research essays on topics related to: kinetic energy, foods, enzymes, digestive enzymes, activation energy
  • Carbon Dioxide Measuring Cylinder
    3,019 words
    Aim 1 To find Fermentation Aims Aim 1 To find out what factors affect how quickly bread dough rises. There are a number of factors that affect how quickly bread dough rises. These are: · Amount of sugar-if the amount of sugar is increased, the rate of reaction will increase. Adding a higher concentration of sugar will increase the sugar particles in a given space. As the mixture is heated, the sugar particles will begin to move. Due to a lack of space, this would result in collisions. Thu...
    Free research essays on topics related to: carbon dioxide, measuring cylinder, move faster, optimum temperature, activation energy
  • Carbon Dioxide And Water H 2 O
    640 words
    This paper is on the processes of fermentation, cellular respiration, photosynthesis, diffusion, osmosis, and enzyme activity. What do these six processes have in common? Fermentation is a chemical process that breaks down organic materials. This process is carried out by such microbes as bacteria, molds, and yeasts. For example, molds or fungi act upon mixtures of molasses and mineral salts to produce penicillin. Yeast breaks down sugar gotten from malted grain into ethyl alcohol and carbon dio...
    Free research essays on topics related to: carbon dioxide and water, green plants, chemical reactions, h 2 o, living things
  • Socio Economic Status Alcohol Related Problems
    4,421 words
    Introduction The focus of this paper is alcoholism. The aspects that will be examined in the following pages are the biology of alcoholism, and the genetic basis determining that alcoholism is a hereditary disease. Clarification of the phases of alcoholism as well as possible explanations of the nature of the disease will be offered. Examination of studies concerning biological markers associated with alcoholism and advanced animal testing will allow further understanding of alcoholism and relat...
    Free research essays on topics related to: taking into account, socio economic status, native americans, alcohol abuse, alcohol related problems
  • One Of The Most Common Amino Acids
    1,323 words
    Genet Phenylketonuria: Pku Danielle Woods Genet 351, K. Owens Research paper Phenylketonuria: PKU Phenylketonuria also known as PKU once had irrevocable and detrimental damage to the people it effected. Babies that were born with the genetic disorder were certain to suffer from severe mental retardation and behavioral disorders because no one knew what was causing the symptoms. Until 1934 when a biochemist and doctor named A. Following from Norway discovered the disease through urine testing. (M...
    Free research essays on topics related to: liver disease, one of the most common, mental retardation, severe mental, amino acids
  • Duchenne Muscular Dystrophy Prenatal Diagnosis
    2,186 words
    Prenatal DianosisHeredity Disorders, Other Biochemical Diseases, and Disfiguring Birth Defects There are over 250 recognized sex-linked diseases, affecting every organ system. Of these, 95 % affect males, (Emery, 1968). Despite these many sex-linked diseases, at present prenatal diagnosis can specifically be made in fewer than 40 diseases. (Emery, 1968). These sex-linked diseases are individual rare and some are named after physicians who described them, for example, Hemophilia A and B, Duchenne...
    Free research essays on topics related to: prenatal diagnosis, mental retardation, birth defects, defective gene, duchenne muscular dystrophy

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