(a)[2]
Describe the meaning of a catalyst.
(b)[1]
State the type of biological molecule from which enzymes are made.
(c(i))[4]
Compare how temperature affects the rate of enzyme activity for enzymes A and B. Use information from Fig. 2.1 to support your response.
(c(ii))[1]
State the part of an enzyme whose shape is complementary to a substrate.
(c(iii))[1]
State one factor, other than temperature, that affects the rate of enzyme activity.
(d)[3]
Draw three lines from the box on the left so that three correct sentences are formed.