molecules (glycylglycine) would be a competitive inhibitor of nylonase because it is polar with a few nonpolar bonds‚ it has a similar structure and it has a few common areas such as N bonded with H and C double bonded with O (which is where its polarity comes from). Because of how similar glycylglycine is to the nylon it would probably very easily bond to the nylonase enzyme that nylon would be a substrate to. It would be a competitive inhibitor because it would easily bond to the same place as
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May 1‚ 2013 Enzymes as Drug Targets Enzymes are defined as any of numerous proteins produced in living cells that accelerate or catalyze the metabolic processes of an organism. Enzymes are usually very selective in the molecules that they act upon‚ called substrates‚ often reacting with only a single substrate. The substrate binds to the enzyme at a location called the active site just before the reaction catalyzed by the enzyme takes place. Enzymes can speed up chemical reactions by up to
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initial rates of BAPNA hydrolysis by trypsin are investigated. Additionally‚ the inhibitory activity of the Jack Beans trypsin inhibitor is determined. This type of protease inhibitor in plants (particularly seeds) is widespread and well studied in the literature (Babar et al‚ 1988; Liener‚ 1962; Oliveira et al‚ 1999). Known as anti-nutritive factors these inhibitors cause the plant to be toxic when ingested (Babar et al‚ 1988; Oliveira et al‚ 1999) and are believed to have evolved as defense
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This assignment is designed to help you become familiar with the operation of Enzyme Lab. When you set up an experiment in Enzyme Lab‚ you will add a buffered solution‚ sucrose as the substrate‚ invertase (the enzyme)‚ and‚ in some reactions‚ inhibitors to a test tube to measure the rate of invertase activity. You will have the choice of performing each reaction at different temperatures and under different buffer conditions so you can observe the effect of changing these variables on invertase
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this series of laboratory experiments‚ my lab partner and I were to conduct an experiment about the oxidation rate of the enzyme peroxidase in the presence of its substrate guiacol. Also we used other substrates‚ such as hydroxylamine an enzyme inhibitor‚ to observe the weather the reaction rate was slowed down‚ sped up‚ or stopped reactions all together. These results were recorded by taking the materials in a test tube‚ then inserting them into a spectrophotometer to record the oxidation (intensity
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Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
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Character List Gulliver Captain Lemuel Gulliver‚ the narrator. Mrs. Mary Burton Gulliver Gulliver’s wife. Houyhnhnms A species of horses who are endowed with great kindness and virtue. Gulliver lives among them for several years and afterwards is extremely reluctant to return to England. The King Gulliver and the King of Brobdingnag spend dozens of hours discussing politics and comparing their two cultures. Laputans The inhabitants of a floating island who wear mathematical and astronomical
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while subject to different concentrations of an inhibitor. The hypothesis was that hydrogen peroxide will be broken down by catalase into hydrogen and oxygen‚ where a higher concentration of inhibitor will yield less oxygen‚ resultant of a lower rate of reaction. Crushed potato samples of equal weight were placed in hydrogen peroxide solutions of various temperatures. The results showed that less gas was produced as the concentration of the inhibitor rose. This Is because more enzymes were inhibited
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University of the Philippines‚ Diliman‚ Quezon City 1101 Philippines ABSTRACT The rationale of the experiment is basically founded in the concept of reaction rates as affected by enzyme‚ and how the enzyme works is competed by a competitive inhibitor‚ thereby impeding the forward reaction. In this experiment‚ o-diphenol oxidase‚ an enzyme that causes the browning in fruits‚ was extracted from banana and reaction rate of this was established with various concentrations of catechol‚ the substrate
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The effect of Lead ions on amylase activity Aim What is the effect of Lead ions on the enzyme Amylase. And does it have an inhibitory effect‚ which causes the substrate‚ in this case starch to be blocked from the reaction process in the enzyme catalyst. Also is the effect reversible or irreversible‚ which is put on the amylase. Method Apparatus and substances required Test tube holder 2% starch solution 6 boiling tubes labelled 1 to 6 1% lead nitrate solution 6 test tubes labelled A to E‚
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