What process occurs in structure H?

photosynthesis

Chloroplasts are the sites of photosynthesis.

What molecules belong in space A and B?

glucose and oxygen

Photosynthesis produces glucose and releases oxygen into the atmosphere.

What organelle is indicated by the letter C?

mitochondrion

Mitochondria are the sites of cellular respiration.

What molecules belong in spaces E and F?

carbon dioxide and water

Carbon dioxide and water are by-products of cellular respiration.

What process occurs in Box A?

glycolysis

What process occurs within Box B?

the citric acid cycle

The citric acid cycle transfers electrons to NADH and FADH2.

What molecule is indicated by the letter D?

oxygen

Oxygen is the final electron acceptor of cellular respiration.