NEETBotanyBiomolecules (B)
What happens to the velocity of the enzymatic reaction as substrate concentration increases?
Options
- AIncreases and reaches a maximum
- BDecreases
- CRemains constant
- DNo effect
Correct answer
A. Increases and reaches a maximum
Step-by-step solution
With the increase in substrate concentration, the velocity of the enzymatic reaction rises at first. The reaction ultimately reaches a maximum velocity (Vmax) which is not exceeded by any further rise in concentration of the substrate. This is because the enzyme molecules are fewer than the substrate molecules and after saturation of these molecules, there are no free enzyme molecules to bind with the additional substrate molecules