Course

Biochemistry

Study Pack

Set 13 Mechanisms Of Enzyme Action

Back to Sets
Question 1

(Multiple Choice)

Free
Which of the following values is the estimated approximate lifetime of the transition state?

A)microseconds (10-6 s)
B)nanoseconds (10-9 s)
C)(10-14 to 10-13 s)
D)(10-20 s)

Answer

Question 2

(Multiple Choice)

Free
Which of the following structures has the greatest complementarity to enzyme active sites?

A)substrate
B)transition state
C)product
D)stable intermediate

Answer

Question 3

(Multiple Choice)

Free
The catalytic triad common to many serine proteases involves shuttling of protons between the amino acids in the catalytic triad.Which of the following amino acid sequences is in the correct order for this process?

A)Ser-His-Asp
B)His-Ser-Asp
C)Ser-His-His
D)Asp-His-Ser

Answer