Biology 5090 · O Level · Active transport

Active transport — practice question

(a)[7]

Explain what each of the following terms means and give one example of each in either a plant or an animal: diffusion active transport

(b)[3]

Starch is a carbohydrate stored within plant cells. Explain why starch is a better storage substance than glucose.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Diffusion: movement down a concentration gradient

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