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

Control and coordination in plants — practice question

Section B. Select one question and answer it.
(a)[8]

Explain how auxin is involved in cell elongation.

(b)[7]

Explain, using examples, how the environment can influence the phenotype of individual organisms.

Worked solution & mark scheme

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

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