Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 49 kJ/mol 40 kJ/mol 88 kJ/mol 58 kJ/mol 49 kJ/mol 40 kJ/mol 88 kJ/mol 58 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes Enzyme-driven metabolic pathways can be made more efficient by concentrating enzymes within specific cellular compartments fixing enzymes into membranes so that they are adjacent to each other All of these grouping enzymes into free-floating, multienzyme complexes concentrating enzymes within specific cellular compartments fixing enzymes into membranes so that they are adjacent to each other All of these grouping enzymes into free-floating, multienzyme complexes ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following is false statement with regard to comparison between Serine and HIV proteases? Both use nucleophilic attack to hydrolyze the peptide bond Both forms an acyl-enzyme intermediate Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle Both use nucleophilic attack to hydrolyze the peptide bond Both forms an acyl-enzyme intermediate Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle 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 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 It helps to transport carbon dioxide in the blood It is critical for the biosynthesis of DNA ANSWER DOWNLOAD EXAMIANS APP
Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to function as a proton shuttle keep the specificity pocket open neutralize the charge on the other's side chain clamp the substrate into the active site function as a proton shuttle keep the specificity pocket open neutralize the charge on the other's side chain clamp the substrate into the active site ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of a protein designated B a protein A and one-subunit a two proteins designated A and B a protein designated A a protein designated B a protein A and one-subunit a two proteins designated A and B a protein designated A ANSWER DOWNLOAD EXAMIANS APP