Enzymes Common feature in all serine proteases is a hydrophobic specificity pocket cluster of reactive serine residues hydrophilic specificity pocket single reactive serine residue hydrophobic specificity pocket cluster of reactive serine residues hydrophilic specificity pocket single reactive serine residue ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of 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 a protein designated B a protein designated A ANSWER DOWNLOAD EXAMIANS APP
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 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 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 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 What is the specificity of the Clostripain protease? It cleave after Lys residues It cleave after His residues None of these It cleave after Arg residues It cleave after Lys residues It cleave after His residues None of these It cleave after Arg residues 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 is critical for the biosynthesis of DNA It catalyzes the production of hormones that maintain the stomach lining It is a chemical derivative of aspirin It helps to transport carbon dioxide in the blood It is critical for the biosynthesis of DNA It catalyzes the production of hormones that maintain the stomach lining It is a chemical derivative of aspirin ANSWER DOWNLOAD EXAMIANS APP