Enzymes The cleavage specificity of trypsin and chymotrypsin depend in part on the absence of water in the active site presence of a low-barrier hydrogen bond in the active site or specificity pocket size, shape, and charge of the active site or specificity pocket proximity of Ser 195 to the active site or specificity pocket absence of water in the active site presence of a low-barrier hydrogen bond in the active site or specificity pocket size, shape, and charge of the active site or specificity pocket proximity of Ser 195 to the active site or specificity pocket ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the common features are shared between serine and aspartate proteases? All of these Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences Both use a base to activate the nucleophile All of these Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences Both use a base to activate the nucleophile ANSWER DOWNLOAD EXAMIANS APP
Enzymes The E.coli pyruvic acid dehydrogenase complex is reported to retard the reduction 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 decatalyze the oxidation 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 Catalyze the reduction of pyruvic acid to acetyl Co A and CO2 decatalyze the oxidation of pyruvic acid to acetyl Co A and CO2 ANSWER DOWNLOAD EXAMIANS APP
Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 49 kJ/mol 88 kJ/mol 58 kJ/mol 40 kJ/mol 49 kJ/mol 88 kJ/mol 58 kJ/mol 40 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is Asparagine Serine both (a) and (b) water Asparagine Serine both (a) and (b) water ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following (s) is/are serine proteases? Chymotrypsin Trypsin Elastase all of these Chymotrypsin Trypsin Elastase all of these ANSWER DOWNLOAD EXAMIANS APP
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