Multiple Choice
Experiments on the bacterial serine protease subtilisin show that even when all three residues of the catalytic triad are mutated, the catalytic rate of the enzyme is still 3000 times the uncatalyzed reaction rate. Which mode of catalysis is likely responsible for this remaining catalytic activity?
A) acid-base catalysis
B) covalent catalysis
C) transition-state stabilization
D) hydrophobic effects
Correct Answer:

Verified
Correct Answer:
Verified
Q5: On the energy diagram below, which arrows)
Q6: How many intermediates are indicated by the
Q8: Some antibody molecules are enzymatic if they
Q13: A chemical group that has a negative
Q14: In the reaction below Y<sup>-</sup><sup> </sup>is .
Q15: In the Ser-His-Asp catalytic triad in serine
Q20: Replacement of the amino acid _ at
Q24: Induced fit studies by Koshland using the
Q49: A thermodynamic pit occurs when<br>A)ES is not
Q75: Radicals are stable,unreactive species that have an