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

Movement into and out of cells — practice question

(a)[7]

Explain how a cholinergic synapse works.

(b)[8]

Describe how you would carry out an investigation into how the wavelength of light affects the rate of photosynthesis in a plant, using a redox indicator such as DCPIP.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “action potential reaches synaptic knob” …

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