Edexcel A-Level Biology A2 5.3 Light Dependent Reactions Questions

Locate each event on the thylakoid membrane, trace electrons and protons in order and distinguish pathways by photosystems used and ATP, NADPH or oxygen output.

Exam points

Locate chlorophyll, ATP synthase, photolysis and proton accumulation on thylakoids.
Explain how light excites electrons and drives photolysis, ATP and reduced NADP.
Compare cyclic and non-cyclic flow through photosystems, products and electron return.

[Maximum number: 1]

The light-independent reactions of photosynthesis use the products of the light-dependent reactions to produce simple sugars.

Which row of the table shows the products of the light-dependent reactions that are used in the light-independent reactions? □ A □ B □ C

Table for Question Edexcel A-Level Biology A2 5.3 Light Dependent Reactions Questions question 1 — Edexcel A-Level Biology A2

□ D

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Edexcel A-Level Biology A2 5.3 Light Dependent Reactions Questions question 1