Biology 9700 · AS & A Level · Control and coordination in mammals

Control and coordination in mammals — practice question

(a)[7]

Describe the way in which adrenaline can cause liver cells to change glycogen into glucose.

(b)[8]

Describe the part played by abscisic acid (ABA) in causing stomata to close when drought occurs.

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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