As temperature changes from 3°C to 45°C, the rate of enzyme activity will

Options

(a) Decrease and then increase
(b) Increase and then decrease
(c) Increase only
(d) Decrease only

Correct Answer:

Increase and then decrease

Explanation:

If temperature increases from 3°C to 45, firstly it reaches to optimum condition and later temperature conditions are not optimum for enzyme activity. Thus the rate of enzyme activity initially increases and then decreases.