Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to function as a proton shuttle clamp the substrate into the active site keep the specificity pocket open neutralize the charge on the other's side chain function as a proton shuttle clamp the substrate into the active site keep the specificity pocket open neutralize the charge on the other's side chain ANSWER DOWNLOAD EXAMIANS APP
Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 40 kJ/mol 88 kJ/mol 49 kJ/mol 58 kJ/mol 40 kJ/mol 88 kJ/mol 49 kJ/mol 58 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following is false statement with regard to comparison between Serine and HIV proteases? Both require water to complete the catalytic cycle Both use nucleophilic attack to hydrolyze the peptide bond Both show specificity for certain amino acid sequences Both forms an acyl-enzyme intermediate Both require water to complete the catalytic cycle Both use nucleophilic attack to hydrolyze the peptide bond Both show specificity for certain amino acid sequences Both forms an acyl-enzyme intermediate ANSWER DOWNLOAD EXAMIANS APP
Enzymes Enzyme-driven metabolic pathways can be made more efficient by fixing enzymes into membranes so that they are adjacent to each other grouping enzymes into free-floating, multienzyme complexes All of these concentrating enzymes within specific cellular compartments fixing enzymes into membranes so that they are adjacent to each other grouping enzymes into free-floating, multienzyme complexes All of these concentrating enzymes within specific cellular compartments 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 Which of the following (s) is/are serine proteases? Elastase Chymotrypsin Trypsin all of these Elastase Chymotrypsin Trypsin all of these ANSWER DOWNLOAD EXAMIANS APP
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