With reference to enzymes, turnover number means……….

Options

A. The number of substrate molecules that a molecule of an enzyme converts into products per hour
B. The number of substrate molecules that a molecule of an enzyme converts into products per second
C. The number of substrate molecules that a molecule of an enzyme converts into products per minute
D. The number of substrate molecules that a molecule of an enzyme converts into products per day

Answer

B

Explanation

The turn over the number for an enzyme-catalyzed reaction is defined as the number of moles of substrate converted to product per mole of enzyme per second.