C1.2 MHS IB Bio Cell Respiration SL

The purpose of cell respiration is

• to ensure that passive diffusion can occur across a cell membrane.

• to produce ATP.

• to breathe underwater.

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The formula for cellular respiration is

• C₆H₁₂O₆ + 6O₂ ---> 6CO₂ + 6H₂O

• C₆H₁₂O₆ + 6CO₂ ---> 6O₂ + 6H₂O

• 6O₂ ---> 6CO₂ + 6H₂O + C₆H₁₂O₆

• 6CO₂ + 6H₂O ---> . C₆H₁₂O₆ + 6O₂

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The products of aerobic respiration include CO₂ and

• water.

• oxygen.

• glucose.

• ADP.

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The products of anaerobic respiration in yeast include

• ethanol and carbon dioxide.

• carbon dioxide and water.

• ethanol and oxygen

• glucose and water.

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Which other organic molecules can also be used for aerobic respiration? (Choose all that apply)

• lipids

• nucleic acids

• proteins

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The first step of aerobic respiration breaks down glucose into

• mRNA strands

• oxygen and water

• 2 pyruvates

• carbon dioxide and sugar

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T/F: Anaerobic respiration occurs in the mitochondria.

• true

• false

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Aerobic respiration _______ oxygen, while anaerobic respiration _______ oxygen.

• requires; does not require

• does not require; requires

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The product of anaerobic respiration in animals is

• 2 ATP and lactic acid.

• 36 ATP and lactic acid.

• 2 ATP and ethanol.

• 36 ATP and ethanol.

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Bread dough rises due to anaerobic respiration in yeast. Once the oxygen is used up, yeast are forced to respire anaerobically and produce this gas which forms bubbles in the dough.

• CO₂

• O₂

• CO

• CH₄

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