Enzymes In the enzyme-catalyzed reaction shown below, what will be the effect on substances A, B, C, and D of inactivating the enzyme labeled E2? A ---(E1)---> B ---(E2)---> C ---(E3)---> A and B will still be produced, but not C or D A, B, C, and D will all still be produced A, B, and C will still be produced, but not D A will still be produced, but not B, C, or D A and B will still be produced, but not C or D A, B, C, and D will all still be produced A, B, and C will still be produced, but not D A will still be produced, but not B, C, or D ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of two proteins designated A and B a protein designated A a protein A and one-subunit a a protein designated B two proteins designated A and B a protein designated A a protein A and one-subunit a a protein designated B ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is Serine water both (a) and (b) Asparagine Serine water both (a) and (b) Asparagine ANSWER DOWNLOAD EXAMIANS APP
Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to keep the specificity pocket open neutralize the charge on the other's side chain clamp the substrate into the active site function as a proton shuttle keep the specificity pocket open neutralize the charge on the other's side chain clamp the substrate into the active site function as a proton shuttle ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the common features are shared between serine and aspartate proteases? All of these Both use a base to activate the nucleophile Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences All of these Both use a base to activate the nucleophile Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences ANSWER DOWNLOAD EXAMIANS APP
Enzymes The E.coli pyruvic acid dehydrogenase complex is reported to Catalyze the reduction of pyruvic acid to acetyl Co A and CO2 retard the reduction of pyruvic acid to acetyl Co A and CO2 decatalyze the oxidation of pyruvic acid to acetyl Co A and CO2 Catalyze the oxidation of pyruvic acid to acetyl Co A and CO2 Catalyze the reduction of pyruvic acid to acetyl Co A and CO2 retard the reduction of pyruvic acid to acetyl Co A and CO2 decatalyze the oxidation of pyruvic acid to acetyl Co A and CO2 Catalyze the oxidation of pyruvic acid to acetyl Co A and CO2 ANSWER DOWNLOAD EXAMIANS APP
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