Question

In all plants the major sites of photosynthesis are leaves respire and utilize O2 and release​

Answer 1

Answer:

The chloroplast is involved in both stages of photosynthesis. The light reactions take place in the thylakoid. There, water (H2O) is oxidized, and oxygen (O2) is released. The electrons that freed from the water are transferred to ATP and NADPH.

Answer 2

Answer:

Explanation:

Leaves release carbon dioxide during respiration.

Leaves take up carbon dioxide during photosynthesis to form starch.