CourseCourseConceptConceptDocumentDocument

IB Biology HL C1.2.3 Atp Adp Interconversions Questions

Learn how ATP hydrolysis releases energy for coupled reactions, how respiration regenerates ATP from ADP, and why ATP is recycled rather than stored in IB Biology HL C1.2.3.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain how ATP hydrolysis to ADP and phosphate releases energy for coupled reactions.
  • Explain how respiration phosphorylates ADP to regenerate ATP, which is recycled rather than stored.

IB Biology HL C1.2.3 Atp Adp Interconversions Questions question 1

[Maximum number: 1]

Which reaction does not cause a net release of energy?

A

ADP combines with inorganic phosphate to form ATP

B

ATP releases inorganic phosphate to form ADP

C

Loss of hydrogen from reduced NAD

D

Oxidation of reduced FAD

All question bank results loaded