Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 40 kJ/mol 49 kJ/mol 58 kJ/mol 88 kJ/mol 40 kJ/mol 49 kJ/mol 58 kJ/mol 88 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes How is the enzyme COX-1 important in human health? It helps to transport carbon dioxide in the blood It catalyzes the production of hormones that maintain the stomach lining It is a chemical derivative of aspirin It is critical for the biosynthesis of DNA It helps to transport carbon dioxide in the blood It catalyzes the production of hormones that maintain the stomach lining It is a chemical derivative of aspirin It is critical for the biosynthesis of DNA ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of a protein designated B a protein designated A two proteins designated A and B a protein A and one-subunit a a protein designated B a protein designated A two proteins designated A and B a protein A and one-subunit a ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a cluster of reactive serine residues hydrophilic specificity pocket hydrophobic specificity pocket single reactive serine residue cluster of reactive serine residues hydrophilic specificity pocket hydrophobic specificity pocket single reactive serine residue ANSWER DOWNLOAD EXAMIANS APP
Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to 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 neutralize the charge on the other's side chain 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