Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of 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 a protein designated B a protein A and one-subunit a ANSWER DOWNLOAD EXAMIANS APP
Enzymes Enzyme-driven metabolic pathways can be made more efficient by fixing enzymes into membranes so that they are adjacent to each other concentrating enzymes within specific cellular compartments grouping enzymes into free-floating, multienzyme complexes All of these fixing enzymes into membranes so that they are adjacent to each other concentrating enzymes within specific cellular compartments grouping enzymes into free-floating, multienzyme complexes All of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 58 kJ/mol 49 kJ/mol 40 kJ/mol 88 kJ/mol 58 kJ/mol 49 kJ/mol 40 kJ/mol 88 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a cluster of reactive serine residues hydrophobic specificity pocket hydrophilic specificity pocket single reactive serine residue cluster of reactive serine residues hydrophobic specificity pocket hydrophilic 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 neutralize the charge on the other's side chain function as a proton shuttle clamp the substrate into the active site keep the specificity pocket open neutralize the charge on the other's side chain function as a proton shuttle clamp the substrate into the active site ANSWER DOWNLOAD EXAMIANS APP
Enzymes In the enzyme-catalyzed reaction shown below, what will be the effect on substances A, B, C, and D of inactivating the enzyme labeled E2? A ---(E1)---> B ---(E2)---> C ---(E3)---> A will still be produced, but not B, C, or D A and B will still be produced, but not C or D A, B, C, and D will all still be produced A, B, and C will still be produced, but not D A will still be produced, but not B, C, or D A and B will still be produced, but not C or D A, B, C, and D will all still be produced A, B, and C will still be produced, but not D ANSWER DOWNLOAD EXAMIANS APP
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