Anaerobic Respiration

Fermentation occurs in... select two

• Humans

• Birds

• Plants

• Mammals

• Yeast

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Which type of respiration does this equation show?

• Aerobic

• Anaerobic in animals

• Fermentation

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What type of respiration does not require oxygen?

• Aerobic

• Anaerobic

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It doesn’t need oxygen.

• Aerobic respiration

• Anaerobic respiration

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Only releases 5% of the energy in glucose.

• Aerobic respiration

• Anaerobic respiration

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It lets cells release extra energy but it cannot be used for long periods.

• Aerobic respiration

• Anaerobic respiration

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Can provide a quick burst of energy.

• Aerobic respiration

• Anaerobic respiration

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Anaerobic respiration has one major disadvantage, it makes .............................. instead of carbon dioxide.

• lactic acid

• lactose

• citric acid

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A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event

• As the cells run out of oxygen they switch to anaerobic respiration, which allows the cell to make small amounts of ATP in the absence of oxygen. 

• As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

• The cells will never run out of oxygen if the weightlifter is breathing.

• As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP. 

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What is the main byproduct of anaerobic respiration in muscle cells?

• Lactic acid

• Carbon dioxide

• Ethanol

• Water

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