In order to study the effect of increasing the enzyme concentration upon the reaction rate, the substrate must be present in an excess amount. Enzymes can be classified by the kind of chemical reaction catalyzed. Nicotinamide adenine dinucleotide (NAD) is a coenzyme for a great number of dehydrogenase reactions in which it acts as a hydrogen acceptor. The Michaelis constant Vo is defined as the substrate concentration at 1/2 the maximum velocity. Competitive inhibition occurs when the substrate and a substance resembling the enzyme are both added to the enzyme. Enzymes are catalysts and increase the speed of a chemical reaction without themselves undergoing any permanent chemical change. Transacetylases are transferases that transfer an acetyl group. The living cell is the site of tremendous biochemical activity called metabolism. Linkage specificity means the enzyme will act on a particular type of chemical bond regardless of the rest of the molecular structure. Catalysis is defined as the acceleration of a chemical reaction
In order to study the effect of increasing the enzyme concentration upon the reaction rate, the substrate must be present in an excess amount. Enzymes can be classified by the kind of chemical reaction catalyzed. Nicotinamide adenine dinucleotide (NAD) is a coenzyme for a great number of dehydrogenase reactions in which it acts as a hydrogen acceptor. The Michaelis constant Vo is defined as the substrate concentration at 1/2 the maximum velocity. Competitive inhibition occurs when the substrate and a substance resembling the enzyme are both added to the enzyme. Enzymes are catalysts and increase the speed of a chemical reaction without themselves undergoing any permanent chemical change. Transacetylases are transferases that transfer an acetyl group. The living cell is the site of tremendous biochemical activity called metabolism. Linkage specificity means the enzyme will act on a particular type of chemical bond regardless of the rest of the molecular structure. Catalysis is defined as the acceleration of a chemical reaction
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter22: Gluconeogenesis, Glycogen Metabolism, And The Pentose Phosphate Pathway
Section: Chapter Questions
Problem 11P: Understanding the Mechanisms of Reactions Related to Transketolase The mechanistic chemistry of the...
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