activation energy is lowered and the reactions happen a lot faster. Sometimes in cells though it may not need a particular substrate (reactant) so an inhibitor comes into play. Inhibitors are basically regulators that inhibit (disallow) the process of catalysis to take place within a particular substrate. There are two types of inhibitors that occur in such reactions. Competitive inhibiters are remarkably similar to the substrate‚ so much that it can match interchangeably with the substrate‚ thus leading
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Harry Ma 2013/03/19 Mr.Hodachok “To what extent does disagreement aid the pursuit of knowledge in the natural science?” The problem with natural science with the truth discovered is that an over confident belief on an aspect of knowledge or science‚ may lead to blindness in other aspects of the same field. Going back to the very start to the discovery of laws and theories in natural science‚ when unknown factors are first discovered by observation‚ scientists and experimentalists question
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Table of contents SERIAL NO: TITLE PAGE NO 1 ABSTRACT 1/24 2 INTRODUCTION 3/24 3 HISTORY 4/24 4
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Chemistry (the etymology of the word has been much disputed)[1] is the science of matter and the changes it undergoes. The science of matter is also addressed by physics‚ but while physics takes a more general and fundamental approach‚ chemistry is more specialized‚ being concerned with the composition‚ behavior (or reaction)‚ structure‚ and properties of matter‚ as well as the changes it undergoes during chemical reactions.[2] It is a physical science which studies various substances‚ atoms‚ molecules
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CURRICULUM VITAE Personal Information Name: HOANG ANH LE Born: 24th Nov. 1977‚ Nghe An Province‚ Vietnam Citizenship: Vietnam Marital Status: Married Academic Affiliation Environmental Sensor System Research Center National Agenda Research Division Korea Institute of Science and Technology (KIST) 39-1 Hawolgokdong‚ Wolsong-Gil 5‚ Seongbukgu Seoul 136-791‚ Republic of Korea Phone: (+82)-2-958-5584 Mobile: (+82)-10-5506 1601 Fax: (+82)-2-958-6711 E-mail:
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Experiment #1 1. At substrate concentration‚ the enzyme is working at “maximum efficiency.” With a concentration at 40‚ it produced 2‚339 products. 2. The maximum velocity of a reaction is reached when the active sites are almost continuously filled. Increased substrate concentration after this point will not increase the rate. The reaction rate increases as substrate concentration is increased. It will soon level off though. 3. When the concentration is at low substrate‚ most of the enzyme
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Bibliography: Arata‚ K.‚ Nakamura‚ H.‚ & Shouji‚ M. (2000). Friedel–Crafts acylation of toluene catalyzed by solid superacids. Applied Catalysis A: Genera ‚ 197 (2)‚ 213-219. Lefevre. (1998). Organic Chemsitry II Laboraty Manual (1st Edition ed.). palmyra: H. A. Neidig . McMurry‚ J. Organic Chemistry (7th Edition ed.). Belmont : Brooks/Cole.
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References: 1. Jencks‚ W. P. (1987) Catalysis in Chemistry and Enzymology. Dover Publications‚ Inc.‚ New York. 2. Fersht‚ A. (1999) Structure and Mechanism in Protein Science. W. H. Freeman and Co.‚ New York. 3. Jencks‚ W. P.‚ and Regenstein‚ J. (1968) In CRC Handbook of Biochemistry (Sober
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dioxide-coated sand Bang S‚ Patel M‚ Lippincott L‚ Meng X‚ 2005. Removal of arsenic from groundwater by granular titanium dioxide Bhattacharyya A‚ Kawi S‚ Ray M B‚ 2004. Photocatalytic degradation of Orange II by TiO2 catalysts supported on adsorbents. Catalysis Today‚ 98: 431–439 Bouraada M‚ Lafjah M‚ Ouali M S‚ Menorval L C‚ 2007 Cavani F‚ Trifiro F‚ Vaccari A‚ 1991. Hydrotalcite-type anionic clays: preparation‚ properties and applications Celis R‚ Carmen H M‚ Cornejo J‚ 2000. Heavy metal adsorption by
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HAEMOGLOBIN Transition Metals In Biology • Coordination compounds participate in many important biological processes in plants and animals. • The following are such processes: • 1. Transport and storage of oxygen • 2. Electron transfer • 3. Catalysis • 4. Photosynthesis TRANSPORT AND STORAGE OF OXYGEN HAEMOGLOBIN Haemoglobin‚ the red pigment in red blood cells carries oxygen from the lungs to the tissues. It is called the respiratory pigment. It delivers the oxygen molecule to the myoglobin
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