The electrons released from glucose are used to reduce NAD+ to NADH
Cellular respiration is the process of breaking down complex organic molecules that are rich in potential energy into waste products that have lower energy. Cellular respiration aims to produce ATP or energy used by cells to carry out activities.
Glycolysis is the first stage of aerobic respiration which breaks down glucose into simpler compounds. The results of the breakdown of glucose molecules in glycolysis are 2 ATP molecules, 2 pyruvic acid molecules, and 2 NADH molecules. In glucolysis, the process of reducing NAD+ to NADH occurs. Later NADH will be used by electron transport to process ATP in the mitochondria. At the electron transport stage, a large amount of energy will be generated, which is equal to 32 ATP.
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