What is an enzyme?

An enzyme is a biological catalyst. It is a protein with an active site that binds to a substrate to accelerate a chemical reaction.

ET

Related Biology GCSE answers

All answers ▸

Describe the difference between genotype and phenotype and give an example of where two different genetoypes may give rise to the same phenotype.


What is the process of natural selection?


Describe the similarities and differences between the processes of osmosis and diffusion


Describe the changes that take place in the iris when moving into a dark room.