Enzyme Reaction The ability of Vibrio fischeri to convert chemical energy directly into radiant energy in bioluminescence is an example of __________ at work. Shelford's law of tolerance Leibig's law of the minimum the first law of thermodynamics the third law of thermodynamics Shelford's law of tolerance Leibig's law of the minimum the first law of thermodynamics the third law of thermodynamics 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. lesser greater approximately equal half lesser greater approximately equal half ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction Which of the following is the best evidence for the lock and key theory of enzyme action? 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 Enzymes determine the direction of a reaction 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-tryptophan L-serine D-L-tryptophan hydantoin pyruvate L-tryptophan L-serine D-L-tryptophan hydantoin pyruvate ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction If the Keq for an enzymatic reaction is greater than 1, the reaction can not occur without the input of energy both (a) and (b) will be endergonic none of these can not occur without the input of energy both (a) and (b) will be endergonic none of these ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction To a living organism, which of the following has the greatest amount of available energy per molecule? H2O ADP ATP AMP H2O ADP ATP AMP ANSWER DOWNLOAD EXAMIANS APP