#Question id: 556
#Unit 1. Molecules and their Interaction Relevant to 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
#Unit 1. Molecules and their Interaction Relevant to 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
#Unit 1. Molecules and their Interaction Relevant to 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
#Unit 1. Molecules and their Interaction Relevant to Biology
In competitive inhibition, an inhibitor:
#Question id: 560
#Unit 1. Molecules and their Interaction Relevant to Biology
Vmax for an enzyme-catalyzed reaction:
#Question id: 561
#Unit 1. Molecules and their Interaction Relevant to 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: