Biology 9700 · AS & A Level · Fluid mosaic membranes

Fluid mosaic membranes — practice question

(a)[8]

Describe the ultrastructure shown by a striated muscle fibre.

(b)[7]

Explain how auxin leads to elongation of plant cells.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “muscle fibres are multinucleate” …

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