41. Glycolysis takes places in the __________ and produces __________ , which in the presence of oxygen then enters the __________ .

A. cytosol; glucose; mitochondrion to complete fermentation
B. cytosol; pyruvate; mitochondrion to complete fermentation
C. cytosol; pyruvate; mitochondrion to complete cellular respiration
D. mitochondrion; pyruvate; chloroplast to complete photosynthesis

42. What process in cellular respiration is essentially the reverse of carbon fixation in photosynthesis?

A. Glycolysis
B. Citric acid cycle
C. Oxidative phosphorylation
D. Alcohol fermentation

43. What do coenzyme A, CO₂, oxaloacetate, and FADH₂ all have in common?

A. They are all components or products of the citric acid cycle
B. They are part of the dark reactions of photosynthesis
C. They are part of the reactions of lactic acid fermentation
D. They are all elements of oxidative phosphorylation

44. If the oxygen is labeled in CO₂ and provide this CO₂ to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?

A. In the water used
B. In the NADPH
C. In the carbohydrate produced
D. In the oxygen given off by the plant