5. What are the two reactants needed for cellular respiration?
The two reactants needed for cellular respiration are
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Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
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Cellular respiration uses both oxygen and glucose as reactants.
- Cellular respiration is the process of obtaining energy from glucose in the food you eat in the form of ATP.
- When an organism breathes, oxygen enters its body. When a critter eats, glucose enters the body.
- The process of cellular respiration is divided into three stages.
- In the first stage of glycolysis, glucose is broken down in the cytoplasm of the cell.
- The pyruvate molecules are delivered to the mitochondria in stage two. The mitochondria are organelles that operate as "powerhouses" for the energy of the cells. Pyruvate, which has been transformed into a 2-carbon molecule, enters the Krebs cycle in the mitochondria. The inner membrane of mitochondria features many folds known as cristae. The membrane surface, which is substantially enlarged by these cristae, hosts several cellular respiration reactions.
- The energy in the energy carriers is transferred to an electron transport chain in step three. The energy is used to make ATP at this point.
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