Top answers
Biology
A Level
Describe and explain how an action potential is generated
This is a common question, that takes a little while to get your head around. Once you've understood the process, it can be simplified down to a cycle of 3 steps for memory: depolarisation
Why does the enzyme Maltase catalyse only the hydrolysis of maltose.
The active site of the enzyme has a specific tertiary structure. The active site is complementary to the substrate maltose. Therefore
