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, B, and C will still be produced, but not D A and B will still be produced, but not C or D A, B, C, and D will all still be produced A will still be produced, but not B, C, or D A, B, and C will still be produced, but not D A and B will still be produced, but not C or D A, B, C, and D will all still be produced A will still be produced, but not B, C, or D ANSWER DOWNLOAD EXAMIANS APP
Enzymes What is the specificity of the Clostripain protease? It cleave after Arg residues None of these It cleave after His residues It cleave after Lys residues It cleave after Arg residues None of these It cleave after His residues It cleave after Lys residues ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following is false statement with regard to comparison between Serine and HIV proteases? Both forms an acyl-enzyme intermediate Both use nucleophilic attack to hydrolyze the peptide bond Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle Both forms an acyl-enzyme intermediate Both use nucleophilic attack to hydrolyze the peptide bond Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle ANSWER DOWNLOAD EXAMIANS APP
Enzymes The E.coli pyruvic acid dehydrogenase complex is reported to decatalyze 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 Catalyze the oxidation of pyruvic acid to acetyl Co A and CO2 decatalyze 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 Catalyze the oxidation of pyruvic acid to acetyl Co A and CO2 ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is Serine Asparagine water both (a) and (b) Serine Asparagine water both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to 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 keep the specificity pocket open neutralize the charge on the other's side chain clamp the substrate into the active site ANSWER DOWNLOAD EXAMIANS APP
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