Biology 9700 · AS & A Level · Fluid mosaic membranes

Fluid mosaic membranes — practice question

(a)[7]

Describe how adrenaline can prompt liver cells to convert glycogen into glucose.

(b)[8]

Describe the role of abscisic acid (ABA) in closing stomata during drought.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “adrenaline attaches to receptor” …

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