A-LevelBiologyEnzymes9700/12 · May/June 2024 · Q111 Mark
The graph shows the effect of substrate concentration on the rates of reaction of three enzymes, X, Y, and Z. [Graph showing rate of reaction vs substrate concentration for enzymes X, Y, Z] What is the correct order of affinity of these enzymes for their substrates, starting with the enzyme with the highest affinity?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AX → Y → Z
BX → Z → Y
CY → X → Z
DZ → X → Y
✓ Correct answer
B: X → Z → Y
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Enzymes and see which topics are most likely to come up next.
Sign up free →