Line X shows how an enzyme-catalysed reaction proceeds under optimum conditions. Line Y illustrates the action of the same enzyme on the same substrate, but with one variable altered: substrate concentration or pH or temperature. Which changes to the variables could produce the result shown by line Y?
- A1, 2 and 3
- B1 and 2 only
- C1 and 3 only
- D2 and 3 only