IB Biology Topic 8.2 Cellular Respiration

When we say a process requires oxygen, we call it what?

• Anaerobic

• Aerobic

• Oxyphillic

• Oxygenphilia

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When we say a process that does not require oxygen, we call it what?

• Anaerobic

• Aerobic

• Oxyphillic

• Oxygenphilia

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True or False: We call the first phase of cellular respiration glycolysis.

• True

• False

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Which of the following is a reactant of cellular respiration?

• Oxygen

• Carbon Dioxide

• Glucose

• Glucose and Oxygen

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Glycolysis is responsible for breaking glucose down into what?

• CO2

• H2O

• Acetyl CoA

• 2 Pyruvic Acids

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True or False: This is the cellular respiration equation:

C6H12O6 + O2 ------> CO2 + H2O

• True

• False

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True or False: Only heterotrophs need to perform cellular respiration.

• True

• False

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Which of the following is NOT a product of cellular respiration?

• Water

• Carbon Dioxide

• Energy in the form of ATP

• Glucose

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During which phase of cellular respiration is the most ATP harvested?

• Glycolysis

• Krebs Cycle

• Electron Transport Chain

• Citric Acid Cycle

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Which process requires oxygen in aerobic cell respiration?

• Oxidation of triose Phosphate

• Reduction of hydrogen carriers

• Maintaining an oxygen concentration gradient in the mitochondria

• Accepting electrons at the end of the electron transport chain

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