Enzyme Reaction An enzyme that is always produced, regardless of the presence of substrates or the end products, is called an isoenzyme an allosteric enzyme a constitutive enzyme a repressible enzyme an isoenzyme an allosteric enzyme a constitutive enzyme a repressible enzyme ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction Which of the following is the best evidence for the lock and key theory of enzyme action? Compounds similar in structure to the substrate inhibit enzyme activity Enzymes are found in living organisms and speed up certain reactions Enzymes determine the direction of a reaction Enzymes speed up reactions by definite amounts Compounds similar in structure to the substrate inhibit enzyme activity Enzymes are found in living organisms and speed up certain reactions Enzymes determine the direction of a reaction Enzymes speed up reactions by definite amounts 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 D-L-tryptophan hydantoin L-serine pyruvate L-tryptophan D-L-tryptophan hydantoin L-serine pyruvate ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction A substrate binds to its enzyme at a location called the __________ site. active substrate polypeptide coenzyme active substrate polypeptide coenzyme ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction In the reaction, C6H12O6 + 6O2 → 6CO2 + 6H2O + energy, which component is being reduced? O2 Energy CO2 H2O O2 Energy CO2 H2O 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. induction compartmentation competitive inhibition repression induction compartmentation competitive inhibition repression ANSWER DOWNLOAD EXAMIANS APP
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