Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 88 kJ/mol 40 kJ/mol 58 kJ/mol 49 kJ/mol 88 kJ/mol 40 kJ/mol 58 kJ/mol 49 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes The cleavage specificity of trypsin and chymotrypsin depend in part on the absence of water in the active site proximity of Ser 195 to the active site or specificity pocket size, shape, and charge of the active site or specificity pocket presence of a low-barrier hydrogen bond in the active site or specificity pocket absence of water in the active site proximity of Ser 195 to the active site or specificity pocket size, shape, and charge of the active site or specificity pocket presence of a low-barrier hydrogen bond in the active site or specificity pocket 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 role of Asp 102 and His 57 during trypsin catalysis is to neutralize the charge on the other's side chain keep the specificity pocket open function as a proton shuttle clamp the substrate into the active site neutralize the charge on the other's side chain keep the specificity pocket open function as a proton shuttle clamp the substrate into the active site ANSWER DOWNLOAD EXAMIANS APP
Enzymes How is the enzyme COX-1 important in human health? It catalyzes the production of hormones that maintain the stomach lining It is critical for the biosynthesis of DNA It helps to transport carbon dioxide in the blood It is a chemical derivative of aspirin It catalyzes the production of hormones that maintain the stomach lining It is critical for the biosynthesis of DNA It helps to transport carbon dioxide in the blood It is a chemical derivative of aspirin ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a hydrophilic specificity pocket cluster of reactive serine residues hydrophobic specificity pocket single reactive serine residue hydrophilic specificity pocket cluster of reactive serine residues hydrophobic specificity pocket single reactive serine residue ANSWER DOWNLOAD EXAMIANS APP