Assertion : Enzyme substrate complex remains throughout the reaction.
Reason : The greater the affinity of the enzyme for a substrate, the higher is the catalytic activity.

Options

A. If both the asseration and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and rreason are true but the reason not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If the assertion is false but reason is true

Answer

D

Explanation

(d) The enzymes substrate complex is short lived. The substrate is changed into products. The products remain complexed with the active site of the enzyme for a brief period. They soon separate and the active site is free to perform another catalytic act. Enzymes activity depends upon their affinity of substrates. If turnover number of substrate is higher, then enzymes show high affinity towards substrate. The number of substrate molecules changed per minute by a molecule or enzyme is called turn over number.