Biology 9700 · AS & A Level · Fluid mosaic membranes

Fluid mosaic membranes — practice question

(a)[8]

Describe and explain how stimulation of the sensory hair cells of a Venus fly trap plant causes an insect to become trapped.

(b)[7]

Explain what is meant by the term homeostasis and describe the principles of homeostasis in mammals.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “mechanical energy changed into electrical energy” …

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