Enzymes How is the enzyme COX-1 important in human health? 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 It helps to transport carbon dioxide in the blood ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a hydrophilic specificity pocket single reactive serine residue cluster of reactive serine residues hydrophobic specificity pocket hydrophilic specificity pocket single reactive serine residue cluster of reactive serine residues hydrophobic specificity pocket ANSWER DOWNLOAD EXAMIANS APP
Enzymes What is the specificity of the Clostripain protease? It cleave after Arg residues It cleave after His residues It cleave after Lys residues None of these It cleave after Arg residues It cleave after His residues It cleave after Lys residues None of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes Enzyme-driven metabolic pathways can be made more efficient by All of these concentrating enzymes within specific cellular compartments grouping enzymes into free-floating, multienzyme complexes fixing enzymes into membranes so that they are adjacent to each other All of these concentrating enzymes within specific cellular compartments grouping enzymes into free-floating, multienzyme complexes fixing enzymes into membranes so that they are adjacent to each other 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 58 kJ/mol 49 kJ/mol 40 kJ/mol 88 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 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 absence of water in the active site ANSWER DOWNLOAD EXAMIANS APP