Question 2
Cell Structure and OrganisationUse the diagram of the cell to answer: The part labelled II is responsible for

- A.photosynthesis
- B.respiration
- C.protein synthesis
- D.excretion
Show the answer and explanation
Answer: B (respiration)
Explanation
II is a mitochondrion, recognised by its folded inner membrane. Mitochondria carry out aerobic respiration to release energy.