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IB Biology HL C1.3.16 Hl Triose Phosphate Synthesis Questions

Trace how ATP supplies energy and reduced NADP supplies hydrogen as glycerate 3-phosphate is reduced to triose phosphate in IB Biology HL C1.3.16.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain how glycerate 3-phosphate is reduced to triose phosphate using ATP and hydrogen from reduced NADP.
  • Interpret GP, TP and RuBP data in darkness to explain how reduced availability of ATP and reduced NADP limits GP-to-TP conversion.

IB Biology HL C1.3.16 Hl Triose Phosphate Synthesis Questions question 1

[Maximum number: 1]

What occurs in the light-independent reactions of photosynthesis?

A

Glycerate 3-phosphate is reduced to triose phosphate.

B

Ribulose bisphosphate is regenerated using reduced NADP.

C

Ribulose bisphosphate is oxidized to two molecules of glycerate 3-phosphate.

D

Both ATP and NADP are used to produce triose phosphate.

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