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horsena [70]
4 years ago
7

Which step in cellular respiration happens first?

Biology
2 answers:
Ksju [112]4 years ago
4 0

The answer is C, Glycolysis

Katarina [22]4 years ago
4 0

Answer:

Glycolysis

Glycolysis - breakdown of glucose molecule to 2 pyruvates which will go into next step/cycle (citric acid cycle aka Krebs cycle). I believe it is glycolysis that is the first step in cellular respiration. Complete oxidation of glucose via respiration = four step process used to convert chem energy in glucose to ATP.

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