Which statements best describe the first stage of cellular respiration? Select three options.The stage happens in cytoplasm.The stage happens in mitochondria.Oxygen combines with small molecules.Glucose is broken down.Energy is released.

The first stage of cellular respiration is glycolysis, which takes place in the cytoplasm. During glycolysis, glucose is broken down into smaller molecules, and some energy is released. It does not take place in the mitochondria or require oxygen to combine with small molecules.

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