Enzyme Essays and Term Papers

Effects of pH on Enzyme Activity

Ryan Ohalleran 10/23/11 Bio Lab In the third exercise we worked in groups of fours to test the effects of pH on enzyme activity. The test subject was the liver cell, which was exposed to pH levels of two, eight, and fourteen, along with water and hydrogen peroxide. My hypothesis for this ...

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"To See What Factors Affect The Decomposition Of Hydrogen Peroxide By The Enzyme Catalase Which Is Found In The Liver"

"To See What Factors Affect The Decomposition Of Hydrogen Peroxide By The Enzyme Catalase Which Is Found In The Liver" Introduction: Enzymes are biological catalysts. They speed up the chemical reactions which go on inside living things. Without them the reactions would be so slow that life would ...

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Arthur Kornberg

(1918-), American biochemist and physician, claims he has never met "a dull enzyme." He has devoted his life to pursuing and purifying these critical protein molecules. His love of science did not spring from a family history rooted in science. He was born on March 3rd, 1918, the son of ...

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Chemistry Investigation

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:  Increasing the concentration. (See the lock and key theory.) If the ...

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The Effect of Temperature

Abstract: An enzyme is a substance that acts as a catalyst, or something that increases the speed of a reaction, in a living organism. In fruits and vegetables, catechol is a substrate that is oxidized and becomes benzoquinone, with the help of the enzyme, catechol oxidase. This reaction turns ...

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Fermentation

It is impossible to set a date as to the first time was performed. It is possible, however, to guess, and this guess is roughly 8,000 years ago. Wine has been written about for centuries, in the Greek and Roman myths and scriptures. The Greek god of wine, Dionysius, was in charge of the atop ...

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Enzymes

are proteins, composed of polypeptide chains and non-protein groups. Their function is to help with the reactions of many cells and molecules by serving as catalysts. A catalyst is a substance that allows the activation energy required for a reaction by forming a temporary association with the ...

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Prenatal Diagnosis: Heredity Disorders, Other Biochemical Diseases, And Disfiguring Birth Defects

Prenatal Diagnosis: Heredity Disorders, Other Biochemical Diseases, and 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 ...

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Effect Of Various Pollutants

Acknowledgement I am deeply indebted to my supervisor Dr. Salman Ashraf, Associate Professor of Biochemistry, who gave me the honour to be one of his students. Also for his valuable advices and helped from the experimental part to the reviewing this thesis. Additionally, I want to thank all ...

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Amyotrophic Lateral Sclerosis

(ALS), sometimes referred to as "Lou Gehrig's Disease," is a progressive fatal neuromuscular disease that attacks nerve cells and pathways in the brain and spinal cord. Motor neurons, among the largest of all nerve cells, reach from the brain to the spinal cord and from the spinal cord to muscles ...

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Dna 2

In the last 10 years, there has been some scientific leaps concerning diabetes, and genetic engineering. The increasing incidence and diagnostic detection of diabetes worldwide coupled with changing trends in the food animal market stimulated people to seek alternative sources of insulin ...

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AZT

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 carini. These ...

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Amyotrophic Lateral Sclerosis

(ALS), sometimes referred to as "Lou Gehrig's Disease," is a progressive fatal neuromuscular disease that attacks nerve cells and pathways in the brain and spinal cord. Motor neurons, among the largest of all nerve cells, reach from the brain to the spinal cord and from the spinal cord to muscles ...

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Clinical Chemistry Tests In Medicine

Of the diagnostic methods available to veterinarians, the clinical chemistry test has developed into a valuable aid for localizing pathologic conditions. This test is actually a collection of specially selected individual tests. With just a small amount of whole blood or serum, many body ...

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Cellular Diffusion

All cells have an outer protective casing, the cell membrane. It protects the cell from the outside world, but is also vital in the transfer of particles in and out of the cell. The cell membrane controls which particles can enter, and which particles can not, because it is selectively permeable. ...

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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 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 compartmentation, protection ...

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Breast Cancer 2

Scientists have finally found out why MPA medroxyprogesterone, otherwise known as Provera performs just as well in low doses in small children who are dealing with early sex traits, as it does for women in high doses with breast cancer. You may have heard of Provera before as the drug that ...

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AIDS

Acquired Immune Deficiency Syndrome (), suppresses the immune system related to infection with the human immunodeficiency virus (HIV). A person infected with HIV gradually loses immune function along with certain immune cells called CD4 T-lymphocytes or CD4 T-cells, causing the infected person to ...

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New Developments Or Research In Genetic Cloning: Summary

Since genetic cloning is a very wide topic, the focus of my paper lies mainly on the new discoveries which might be beneficial to human beings. The focus of the first section of the paper is on the various cloning techniques geneticists use nowadays. They techniques included range from the ...

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How Does pH Buffer Affect Catalase’s Rate Of Reaction?

Factors that affect rate of reaction Research Question: How does pH buffer affect catalase's rate of reaction? Introduction: pH buffer: a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. It is used to prevent changes in the pH of a solution. Buffer ...

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