Question

26. Which stage of cellular respiration is anaerobic?
61
27. This is the type of sugar that is found in

an ADP or ATP molecule.
28. During the bridge reactions, molecules of
38

pyruvate are oxidized into molecules of this 2-carbon compound.
29. The breakdown of glucose by bacteria


and yeasts in the absence of oxygen.
30. In prokaryotic cells, the Krebs cycle and the electron transport chain occur along
24

special structures found in the

Answer 1

26. Glycolysis (the anaerobic stage)

27. Ribose (a five‑carbon/pentose sugar)

28. Acetyl-CoA (a 2‑carbon acetyl group attached to coenzyme A)

29. Fermentation (e.g., alcoholic or lactic acid fermentation)

30. The cell (plasma) membrane (prokaryotes use membrane structures for the ETC; some metabolic enzymes are cytosolic)