Chapter 7: Mitochondria and Cellular Respiration

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What is the final electron acceptor in obligate anaerobes during anaerobic respiration?

Nitrogen

Carbon dioxide

Oxygen

Sulfate (correct)

Which process can human muscle cells switch to in the absence of oxygen?

Citric acid cycle

Glycolysis

Fermentation (correct)

Aerobic respiration

Which molecules are consumed as fuel in cellular respiration?

Fats only

Carbohydrates only

Proteins only

Carbohydrates, fats, and proteins (correct)

What becomes oxidized during cellular respiration?

Glucose Signup and view all the answers

What is the function of dehydrogenase in cellular respiration?

Transfer of electrons to NADH Signup and view all the answers

What is the product of aerobic cellular respiration when oxygen is the final electron acceptor?

$H2O$ Signup and view all the answers

Which process occurs in the absence of oxygen during cellular respiration?

Glycolysis Signup and view all the answers

Where does the citric acid cycle occur in eukaryotic cells?

Mitochondrion Signup and view all the answers

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

$ATP$ synthesis Signup and view all the answers

Which type of cells can't survive in the presence of oxygen?

$Obligate$ anaerobes Signup and view all the answers

Where does glycolysis occur?

Cytoplasm Signup and view all the answers

What is the final electron acceptor in the electron transport chain?

Oxygen (O2) Signup and view all the answers

Which stage of respiration involves the formation of acetyl CoA?

Pyruvate oxidation Signup and view all the answers

What is the main function of ATP synthase in cellular respiration?

To generate a proton gradient Signup and view all the answers

Where does oxidative phosphorylation take place in eukaryotic cells?

Inner mitochondrial membrane Signup and view all the answers

Which molecule is NOT directly involved in the Citric Acid Cycle?

ATP Signup and view all the answers

What is the function of coenzyme A in cellular respiration?

To carry acetyl groups to the Citric Acid Cycle Signup and view all the answers

Which stage of respiration produces the most ATP?

Electron transport and ATP production Signup and view all the answers

Which stage of respiration produces the most ATP?

Electron transport and produce ATP (Chemiosmosis) Signup and view all the answers

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

To generate a proton gradient for ATP synthesis Signup and view all the answers

What is the final electron acceptor in aerobic cellular respiration?

Oxygen Signup and view all the answers

Where does glycolysis occur?

Cytosol Signup and view all the answers

What is the product of aerobic cellular respiration when oxygen is the final electron acceptor?

Water Signup and view all the answers

Which stage of respiration involves the formation of acetyl CoA?

Pyruvate oxidation Signup and view all the answers

What becomes oxidized during cellular respiration?

Glucose Signup and view all the answers

What is the function of coenzyme A in cellular respiration?

$To$ $oxidize$ $pyruvate$ $and$ $transfer$ $the$ $acetyl$ $group$ $to$ $the$ $Citric$ $Acid$ $Cycle$ Signup and view all the answers

What is the main function of ATP synthase in cellular respiration?

$To$ $convert$ $ADP$ $and$ $Pi$ $into$ $ATP$ Signup and view all the answers

What is the function of dehydrogenase in cellular respiration?

To carry electrons to the electron transport chain Signup and view all the answers

What is the final electron acceptor in anaerobic respiration for obligate anaerobes?

Sulfate Signup and view all the answers

What is the main difference between obligate anaerobes and facultative anaerobes?

Facultative anaerobes can survive with or without oxygen, while obligate anaerobes can only survive in the presence of oxygen. Signup and view all the answers

Which molecule is oxidized during cellular respiration?

Glucose Signup and view all the answers

What is the primary function of dehydrogenase in cellular respiration?

To oxidize NAD+ to NADH Signup and view all the answers

Where does the citric acid cycle occur in eukaryotic cells?

Mitochondrial matrix Signup and view all the answers

Which process occurs in the absence of oxygen during cellular respiration?

Glycolysis Signup and view all the answers

What is the function of coenzyme A in cellular respiration?

To transport acetyl groups to the citric acid cycle Signup and view all the answers

What becomes reduced during cellular respiration?

$NAD^+$ Signup and view all the answers

What is the main function of ATP synthase in cellular respiration?

To convert ADP to ATP using the proton gradient Signup and view all the answers

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

To generate a proton gradient for ATP synthesis Signup and view all the answers

Chapter 7: Mitochondria and Cellular Respiration

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Questions and Answers

What is the final electron acceptor in obligate anaerobes during anaerobic respiration?

Which process can human muscle cells switch to in the absence of oxygen?

Which molecules are consumed as fuel in cellular respiration?

What becomes oxidized during cellular respiration?

What is the function of dehydrogenase in cellular respiration?

What is the product of aerobic cellular respiration when oxygen is the final electron acceptor?

Which process occurs in the absence of oxygen during cellular respiration?

Where does the citric acid cycle occur in eukaryotic cells?

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

Which type of cells can't survive in the presence of oxygen?

Where does glycolysis occur?

What is the final electron acceptor in the electron transport chain?

Which stage of respiration involves the formation of acetyl CoA?

What is the main function of ATP synthase in cellular respiration?

Where does oxidative phosphorylation take place in eukaryotic cells?

Which molecule is NOT directly involved in the Citric Acid Cycle?

What is the function of coenzyme A in cellular respiration?

Which stage of respiration produces the most ATP?

Which stage of respiration produces the most ATP?

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

What is the final electron acceptor in aerobic cellular respiration?

Where does glycolysis occur?

What is the product of aerobic cellular respiration when oxygen is the final electron acceptor?

Which stage of respiration involves the formation of acetyl CoA?

What becomes oxidized during cellular respiration?

What is the function of coenzyme A in cellular respiration?

What is the main function of ATP synthase in cellular respiration?

What is the function of dehydrogenase in cellular respiration?

What is the final electron acceptor in anaerobic respiration for obligate anaerobes?

What is the main difference between obligate anaerobes and facultative anaerobes?

Which molecule is oxidized during cellular respiration?

What is the primary function of dehydrogenase in cellular respiration?

Where does the citric acid cycle occur in eukaryotic cells?

Which process occurs in the absence of oxygen during cellular respiration?

What is the function of coenzyme A in cellular respiration?

What becomes reduced during cellular respiration?

What is the main function of ATP synthase in cellular respiration?

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

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