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IB Biology HL C1.3.13 Hl Nadp Reduction Questions

Practise IB Biology HL 1.3.13 by applying nadp reduction concepts to exam questions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • identify Photosystem I and NADP as components of the light-dependent reactions in chloroplast thylakoids
  • explain how electrons from Photosystem I and hydrogen ions reduce NADP to reduced NADP or NADPH
  • relate reduced NADP production to its role with ATP in the Calvin cycle and carbon fixation

Learn this topic

Study C1.3.13 (HL)—NADP reduction conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL C1.3.13 Hl Nadp Reduction Questions question 1

[Maximum number: 1]

What occurs during photosynthesis?

A

Water is oxidized by releasing two electrons to NADPH.

B

Glycerate-3-phosphate (GP) is oxidized by releasing two electrons to photosystem II.

C

NAD is reduced by accepting two electrons from ATP.

D

NADP is reduced by accepting two electrons from photosystem I.

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