Cellular respiration

Front

What is cellular respiration?

Back

Cellular respiration is a biochemical process in which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

What is the main purpose of cellular respiration?

Back

The main purpose of cellular respiration is to produce ATP, which is used as energy by cells.

Front

What is glycolysis?

Back

Glycolysis is the first step of cellular respiration that breaks down glucose into pyruvate, producing a small amount of ATP.

Front

What are the end products of glycolysis?

Back

The end products of glycolysis are 2 pyruvate molecules, 2 ATP, and 2 NADH.

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What is the Krebs Cycle?

Back

The Krebs Cycle, also known as the citric acid cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA.

Front

What are the main products of the Krebs Cycle?

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The main products of the Krebs Cycle are ATP, NADH, FADH2, and carbon dioxide.

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What is fermentation?

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Fermentation is an anaerobic process that allows cells to produce energy without oxygen, resulting in products like lactic acid or ethanol.

Front

What role does oxygen play in cellular respiration?

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Oxygen is the final electron acceptor in the electron transport chain, allowing for the production of a large amount of ATP.

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What is ATP?

Back

ATP (adenosine triphosphate) is the energy currency of the cell, providing energy for various cellular processes.

Front

How is ATP produced during cellular respiration?

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ATP is produced during cellular respiration through substrate-level phosphorylation in glycolysis and the Krebs Cycle, and oxidative phosphorylation in the electron transport chain.