Question

In which pair of cell organelle does cellular respiration take place​

Answer 1

Answer:

MITOCHONDRIA

Cellular respiration is the multi-step process that creates energy from nutrients and food molecules. It begins in the cytoplasm of the cell, with the mitochondria functioning as the main organelle where the rest of the process continues and finishes. During respiration, glycolysis occurs in the cytoplasm of the cell.

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Answer 2

Cellular respiration refers to a series of metabolic reactions that occur inside of a cell. The product of respiration is adenosine triphosphate (ATP), which is the molecule that our bodies use as energy. It is an exothermic oxidation/reduction reaction, which just means that it gives off heat.

In aerobic (with oxygen) respiration, there is a series of cycles and processes that occur almost simultaneously. Glycolysis occurs first, where a molecule of glucose gets broken down into four molecules of ATP, absorbing two for use later; the other two are products.

Occurring at the same time is the Krebs Cycle, otherwise known as the citric acid cycle, where carbon dioxide is created, as is reduced nicotinamide adenine dinucleotide (NADH), which is another energy molecule. Finally, oxidative phosphorylation occurs, which uses the NADH in the electron transport chain to produce water as a waste product. All in all, 32 molecules of ATP are created via respiration in each cell.