Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

The graph illustrates how raising the concentration of glucose in a solution affects the rate at which glucose enters a cell. Which of the following are not reasons for the plateau at X?

A1, 2 and 4
B2, 3 and 4
C2 and 3 only
D1 only

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