Cellular Respiration

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What is the primary purpose of cellular respiration?

Back

The primary purpose of cellular respiration is to make ATP (adenosine triphosphate), which is the energy currency of the cell.

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In which organelle does cellular respiration occur?

Back

Cellular respiration occurs in the mitochondria.

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Which types of organisms perform cellular respiration?

Back

Both animals and plants perform cellular respiration.

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How does photosynthesis differ from cellular respiration in terms of carbon dioxide?

Back

Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.

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How is energy from the sun transferred to animals?

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The sun's energy is transformed into food by plants, and animals eat plants to transform that food into energy.

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Front

What is ATP and why is it important?

Back

ATP (adenosine triphosphate) is a molecule that carries energy within cells, making it essential for various cellular processes.

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Front

What are the main stages of cellular respiration?

Back

The main stages of cellular respiration are glycolysis, the Krebs cycle (citric acid cycle), and oxidative phosphorylation.

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Front

What role do mitochondria play in cellular respiration?

Back

Mitochondria are the organelles where cellular respiration takes place, converting biochemical energy from nutrients into ATP.

Front

What is glycolysis and where does it occur?

Back

Glycolysis is the first stage of cellular respiration that breaks down glucose into pyruvate, occurring in the cytoplasm.

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Front

What is the Krebs cycle and what does it produce?

Back

The Krebs cycle, also known as the citric acid cycle, occurs in the mitochondria and produces ATP, NADH, and FADH2 from acetyl-CoA.

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