What is a proposed model for enzyme activity?

The lock and key model:

Only substrates of a specific shape that is complementary to the active site of an enzyme can fit into the active site, in a way that is analagous to a key fitting into a lock.

AP

Related Biology GCSE answers

All answers ▸

Homeostasis is the maintenance of a constant internal environment i) Explain how shivering helps to regulate body temperate. ii) Explain how sweating helps to regulate body temperature (4 marks)


Amylase is the enzyme that controls the breakdown of starch to glucose. Describe how the student could investigate the effect of pH on the breakdown of starch by amylase.


How are leaves adapted for photosynthesis?


Describe the hormone changes which lead to ovulation.