Biology 9700 · AS & A Level · Fluid mosaic membranes

Fluid mosaic membranes — practice question

Section B. Answer only one question.
(a)[10]

Outline how the photolysis of water occurs and describe what happens to the products of photolysis.

(b)[5]

Describe how gibberellins are involved in stem elongation.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Light is absorbed by Photosystem II” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI