Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 40 kJ/mol 58 kJ/mol 49 kJ/mol 88 kJ/mol 40 kJ/mol 58 kJ/mol 49 kJ/mol 88 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of a protein A and one-subunit a a protein designated B two proteins designated A and B a protein designated A a protein A and one-subunit a a protein designated B two proteins designated A and B a protein designated A 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, B, C, and D will all still be produced A and B will still be produced, but not C or D A will still be produced, but not B, C, or D A, B, and C will still be produced, but not D A, B, C, and D will all still be produced A and B will still be produced, but not C or D A will still be produced, but not B, C, or D A, B, and C will still be produced, but not D ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following statements about enzymes or their function is true? Enzymes do not alter the overall change in free energy for a reaction Enzymes speed up reactions by lowering activation energy Enzymes are proteins whose three-dimensional form is key to their function All of these Enzymes do not alter the overall change in free energy for a reaction Enzymes speed up reactions by lowering activation energy Enzymes are proteins whose three-dimensional form is key to their function All of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is Asparagine water both (a) and (b) Serine Asparagine water both (a) and (b) Serine ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a hydrophilic specificity pocket single reactive serine residue hydrophobic specificity pocket cluster of reactive serine residues hydrophilic specificity pocket single reactive serine residue hydrophobic specificity pocket cluster of reactive serine residues ANSWER DOWNLOAD EXAMIANS APP
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