Question: 1 / 280

What is the outcome of cellular respiration?

It produces glucose and carbon dioxide

It creates energy from carbon dioxide and sun

It uses oxygen to produce energy from food

Cellular respiration is a biochemical process that cells use to convert nutrients, particularly glucose, into energy in the form of adenosine triphosphate (ATP). This process requires oxygen, which is utilized to facilitate the breakdown of glucose during the various stages of cellular respiration—primarily glycolysis, the Krebs cycle, and the electron transport chain.

The key outcome of cellular respiration is the production of ATP, the main energy currency of the cell, enabling it to perform various functions. In addition to ATP, byproducts of this process include carbon dioxide and water. The production of energy from food, specifically from glucose, underlines the crucial role oxygen plays in ensuring efficient energy release, making the statement that cellular respiration uses oxygen to produce energy from food fundamentally accurate.

The other options incorrectly represent the processes involved in cellular respiration or emphasize aspects that do not align with its primary outcomes.

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It synthesizes proteins only

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