Enzyme Reaction Which of the following is the best evidence for the lock and key theory of enzyme action? 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 Enzymes speed up reactions by definite amounts Compounds similar in structure to the substrate inhibit enzyme activity 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 induction none of these feedback inhibition of enzyme activity enzyme repression enzyme induction none of these feedback inhibition of enzyme activity enzyme repression ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction In the reaction, C6H12O6 + 6O2 → 6CO2 + 6H2O + energy, which component is being reduced? CO2 O2 H2O Energy CO2 O2 H2O Energy ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction To a living organism, which of the following has the greatest amount of available energy per molecule? AMP H2O ATP ADP AMP H2O ATP ADP ANSWER DOWNLOAD EXAMIANS APP
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 half lesser approximately equal greater half lesser approximately equal ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction Denaturation of an enzyme refers to the loss of the enzymes proper shape formation of the enzymes proper shape improper arrangement of the enzyme in a metabolic pathway formation of a new isozyme for that enzyme loss of the enzymes proper shape formation of the enzymes proper shape improper arrangement of the enzyme in a metabolic pathway formation of a new isozyme for that enzyme ANSWER DOWNLOAD EXAMIANS APP
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