Enzyme Reaction The affinity of an enzyme for its substrate, when the enzyme has a Km of 0.50 M will be __________ than the affinity of an enzyme for its substrate when the enzyme has a Km of 0.05 M. greater approximately equal half lesser greater approximately equal half lesser ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction Anthranilate synthase, the first enzyme of tryptophan biosynthesis after the branch point shows feedback inhibition and repression due to L-serine D-L-tryptophan hydantoin L-tryptophan pyruvate L-serine D-L-tryptophan hydantoin L-tryptophan pyruvate ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction An exergonic reaction is one that looses energy requires energy to proceed gives off much heat releases energy for work looses energy requires energy to proceed gives off much heat releases energy for work ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction The fact that β-oxidation of fatty acids, occurs in the mitochondria whereas fatty acid synthesis occurs in the cytoplasmic matrix, is an example of regulation of enzymatic activity by the __________ mechanism. repression compartmentation competitive inhibition induction repression compartmentation competitive inhibition induction ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction The ability of CTP to bind to aspartate carbamoyltransferase and shut down the synthesis of more CTP is an example of enzyme repression feedback inhibition of enzyme activity enzyme induction none of these enzyme repression feedback inhibition of enzyme activity enzyme induction none of these ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction Which of the following is the best evidence for the lock and key theory of enzyme action? Enzymes speed up reactions by definite amounts Compounds similar in structure to the substrate inhibit enzyme activity Enzymes determine the direction of a reaction Enzymes are found in living organisms and speed up certain reactions Enzymes speed up reactions by definite amounts Compounds similar in structure to the substrate inhibit enzyme activity Enzymes determine the direction of a reaction Enzymes are found in living organisms and speed up certain reactions ANSWER DOWNLOAD EXAMIANS APP
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