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Cellular Respiration Processes Quiz

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Questions and Answers

What is the primary function of cellular respiration?

To break down glucose and make ATP using oxidative phosphorylation (correct)

To convert CO2 into glucose for energy production

To synthesize NADH using acetyl-CoA

To convert pyruvate into glucose

Which process produces the most NADH molecules in cellular respiration?

Glycolysis

Pyruvate oxidation

Citric acid cycle (correct)

Electron Transport Chain

Where does the conversion of pyruvate to acetyl-CoA occur?

Endoplasmic reticulum

Cytosol

Golgi apparatus

Mitochondrial matrix (correct)

What is the main function of the electron transport chain in cellular respiration?

To pump H+ ions into the intermembrane space (B) Signup and view all the answers

What happens when oxygen is limited in cellular respiration?

ATP can only be produced by glycolysis supported by fermentation (B) Signup and view all the answers

Which part of cellular respiration involves substrate-level phosphorylation?

Glycolysis and Citric acid cycle (A) Signup and view all the answers

What is the role of ATP synthase in cellular respiration?

To produce ATP through chemiosmosis (A) Signup and view all the answers

Why is oxygen essential in cellular respiration?

As a final electron acceptor in oxidative phosphorylation (B) Signup and view all the answers

What is the primary role of fermentation in cellular respiration?

Recycle NADH back to NAD+ to keep glycolysis going (B) Signup and view all the answers

Which process occurs after deamination of amino acids?

Conversion into glucose (A) Signup and view all the answers

What is the main function of triglycerides in cellular respiration?

Produce acetyl-CoA (A) Signup and view all the answers

Which part of the cell is responsible for oxidative phosphorylation in cellular respiration?

Mitochondrial inner membrane (D) Signup and view all the answers

What is the role of the mitochondrial electron transport chain (ETC) in ATP production?

Facilitate proton pumping for ATP synthesis (C) Signup and view all the answers

How do fatty acids contribute to ATP generation in cellular respiration?

Generate acetyl-CoA through beta-oxidation (B) Signup and view all the answers

Which cellular process requires the conversion of triglycerides into glycogen?

Glycogenesis (D) Signup and view all the answers

What is the main difference between investment and payoff phases in glycolysis?

Investment phase consumes ATP, while payoff phase generates ATP (A) Signup and view all the answers