Explain how enzymes work.
Worth four marks
Enzymes are biological catalysts which are used in reactions. A reaction will typically involve an enzyme and a substrate. Enzymes are complementary to the substrate they combine to form an enzyme-substrate - complex using the lock and key methodEnzymes are used in the breakdown of substances in different areas of the body.
MK
Related Biology GCSE answers
All answers ▸What is the point of anerobic respiration?
What is a reflex and what do you mean by a reflex arc? (both "reflex" and "reflex arc" are on the CCEArevised GCSE Biology specification)
Sperm cells and muscle cells are both specialised animal cells. Outline one way in which these two cells are different.
Give 3 main differences between RNA and DNA.