#Question id: 556
#Section 2: General Biology
Which of the following statement is correct to calculate the turnover number of an enzyme,
A) the enzyme concentration.
B) the initial velocity of the catalyzed reaction at [S] >> Km.
C) the initial velocity of the catalyzed reaction at low [S].
D) the Km for the substrate.
#Question id: 557
#Section 2: General Biology
The number of substrate molecules converted to product in a given unit of time by a single enzyme molecule at saturation is referred to as the:
#Question id: 558
#Section 2: General Biology
In a plot of l/V against 1/[S] for an enzyme-catalyzed reaction, the presence of a competitive inhibitor will alter the:
#Question id: 559
#Section 2: General Biology
In competitive inhibition, an inhibitor:
#Question id: 560
#Section 2: General Biology
Vmax for an enzyme-catalyzed reaction:
#Question id: 561
#Section 2: General Biology
Enzyme X exhibits maximum activity at pH = 6.9. X shows a fairly sharp decrease in its activity when the pH goes much lower than 6.4. One likely interpretation of this pH activity is that: