CAIE A-Level Biology AS 3.1.2 Enzyme Mode of Action Questions
Explain enzyme action by linking active-site shape to substrate binding, catalysis, product release and specificity.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain the mode of enzyme action using active-site shape, substrate binding, enzyme-substrate complexes and products.
CAIE A-Level Biology AS 3.1.2 Enzyme Mode of Action Questions question 1
The diagram shows different molecules in a solution.
Which statement could explain what happens when some of the molecules are mixed together?
A
Molecule P forms an enzyme-substrate complex with the non-competitive inhibitor molecule Q .
B
Molecule Q binds to molecule P, increasing the activation energy.
C
Molecules R and S bind to the active site of molecule P .
D
Molecules S and R are the products of the breakdown of molecule P .
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