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

Control and coordination in mammals — practice question

(a)[9]

Describe how a resting potential is kept in an axon.

(b)[6]

Describe, using named examples, how sensory receptors in mammals produce action potentials.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Axon membrane is impermeable to $Na^+$ and $K^+$” …

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