Crossword Puzzle Cellular Respiration CrosswordOnline version Test your knowledge of cellular respiration with this high school biology crossword puzzle. by Jennifer Davidson 1 The first stage of cellular respiration, in which glucose is broken down into pyruvate. 2 The second stage of cellular respiration, in which pyruvate is further broken down to produce energy-rich molecules. 3 The final stage of cellular respiration, in which energy from the previous stages is used to produce ATP. 4 Adenosine triphosphate, the main energy currency of cells. 5 The organelles where cellular respiration takes place. 6 Requiring oxygen to produce energy through cellular respiration. 7 Not requiring oxygen to produce energy, usually through fermentation. 8 A molecule produced during glycolysis that can be further broken down in the Krebs cycle. 1 2 6 5 3 4 7
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