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 Compounds similar in structure to the substrate inhibit enzyme activity Enzymes speed up reactions by definite amounts Enzymes are found in living organisms and speed up certain reactions Enzymes determine the direction of a reaction Compounds similar in structure to the substrate inhibit enzyme activity Enzymes speed up reactions by definite amounts Enzymes are found in living organisms and speed up certain reactions ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction An enzyme that is always produced, regardless of the presence of substrates or the end products, is called a constitutive enzyme an isoenzyme a repressible enzyme an allosteric enzyme a constitutive enzyme an isoenzyme a repressible enzyme an allosteric enzyme 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 competitive inhibition induction compartmentation repression competitive inhibition induction compartmentation 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. approximately equal lesser half greater approximately equal lesser half greater ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction Reduction is the loss of proton gain of electron loss of electron gain of protons loss of proton gain of electron loss of electron gain of protons ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction A substrate binds to its enzyme at a location called the __________ site. substrate active coenzyme polypeptide substrate active coenzyme polypeptide ANSWER DOWNLOAD EXAMIANS APP
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