DEBio 7 Cellular Resp Vocab quiz

What is acetyl CoA a combination of?

• An acetyl group derived from pyruvic acid and coenzyme A

• An acetyl group derived from lactic acid and coenzyme A

• An acetyl group derived from citric acid and CO2

• An acetyl group derived from FAD and OAA

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Which process involves the conversion of energy in the presence of oxygen?

• Anaerobic cellular respiration

• Fermentation

• Aerobic respiration

• Glycolysis

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

• To remove a phosphate group from ATP

• To add a phosphate to ADP using energy from protons

• To convert glucose into pyruvate

• To transport oxygen across the cell membrane

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Explain the role of chemiosmosis in ATP production.

• It involves the breakdown of glucose into pyruvate.

• It uses a proton gradient across a membrane to produce ATP.

• It removes carbon dioxide from the cell.

• It converts NADH into NAD+.

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What is another name for the citric acid cycle?

• Calvin cycle

• Krebs cycle

• Glycolysis

• Electron transport chain

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What is dephosphorylation?

• Addition of a phosphate group to a molecule

• Removal of a phosphate group from a molecule

• Conversion of ATP to ADP

• Conversion of ADP to ATP

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Which of the following processes does not use oxygen?

• Aerobic respiration

• Anaerobic cellular respiration

• Glycolysis

• Oxidative phosphorylation

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What is the significance of the citric acid cycle in cellular metabolism?

• It is the final step in the breakdown of glucose.

• It is the middle step for extracting energy from carbohydrates.

• It is responsible for the synthesis of fatty acids.

• It is the primary pathway for the synthesis of proteins.

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Match the following definitions with their terms.

• redox reaction

• membrane-embedded protein complex that adds a phosphate to ADP with energy from protons diffusing through it

• pyruvate

• three-carbon sugar that can be decarboxylated and oxidized to make acetyl CoA

• GLUT protein

• integral membrane protein that transports glucose

• isomerase

• chemical reaction that consists of the coupling of an oxidation reaction and a reduction reaction

• ATP synthase

• enzyme that converts a molecule into its isomer

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