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 are found in living organisms and speed up certain reactions Enzymes speed up reactions by definite amounts Enzymes determine the direction of a reaction Compounds similar in structure to the substrate inhibit enzyme activity Enzymes are found in living organisms and speed up certain reactions Enzymes speed up reactions by definite amounts ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction A substrate binds to its enzyme at a location called the __________ site. coenzyme active substrate polypeptide coenzyme active substrate polypeptide ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction The ability of a competitive inhibitor to bind to an active site in an allosterically controlled enzyme is __________ than the ability of a non-competitive inhibitor to bind to an active site in the same allosterically controlled enzyme. half greater approximately equal lesser half greater approximately equal lesser ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction An enzyme that is always produced, regardless of the presence of substrates or the end products, is called an allosteric enzyme a constitutive enzyme an isoenzyme a repressible enzyme an allosteric enzyme a constitutive enzyme an isoenzyme a repressible enzyme 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 D-L-tryptophan hydantoin L-serine pyruvate L-tryptophan D-L-tryptophan hydantoin L-serine pyruvate L-tryptophan ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction In the reaction, C6H12O6+ 6O2 → 6CO2 + 6H2O + energy, which component is being oxidized? CO2 H2O C6H12O6 O2 CO2 H2O C6H12O6 O2 ANSWER DOWNLOAD EXAMIANS APP
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