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Questions and Answers
What is the main input for glycolysis?
What is the main input for glycolysis?
The citric acid cycle occurs in the cytosol.
The citric acid cycle occurs in the cytosol.
False
What is produced during oxidative phosphorylation?
What is produced during oxidative phosphorylation?
ATP and H2O
In pyruvate oxidation, pyruvate is converted into ______.
In pyruvate oxidation, pyruvate is converted into ______.
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Match each process of cellular respiration with its primary output:
Match each process of cellular respiration with its primary output:
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Study Notes
Cellular Respiration
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Glycolysis: Glucose is broken down into 2 pyruvates, producing ATP and NADH. This occurs in the cytosol.
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Pyruvate Oxidation: Pyruvate is converted to Acetyl CoA, releasing CO2 and producing NADH. This occurs in the mitochondrial matrix.
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Citric Acid Cycle (Krebs Cycle): Acetyl CoA enters a cycle, releasing CO2, producing ATP, NADH, and FADH2. This also occurs in the mitochondrial matrix.
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Oxidative Phosphorylation: Electrons from NADH and FADH2 are passed along an electron transport chain, generating a proton gradient. This gradient drives ATP synthesis through ATP synthase. Oxygen is the final electron acceptor, forming water. This occurs across the inner mitochondrial membrane.
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Products: The overall process of cellular respiration produces ATP, water, and CO2. The amount of ATP generated varies depending on the efficiency of the different steps. NADH and FADH2 are crucial electron carriers, transferring energy from glycolysis and the citric acid cycle to oxidative phosphorylation. CO2 is a waste product released during glucose breakdown.
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Description
Test your knowledge on the key processes of cellular respiration, including glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation. Understand how ATP, NADH, and other products are generated throughout these stages.
