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College Biology - Unit 4. (An)aerobic Respiration Questions and Answers Correct
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College Biology - Unit 4. (An)aerobic Respiration
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College Biology - Unit 4. (An)aerobicRespiration
What is aerobic respiration? - answer Respiration with oxygen
What is anaerobic respiration? - answer Respiration without oxygen
What is the difference between aerobic and anaerobic respiration? - answer The
presence of oxygen
What is the process of aerobic respiration? - answer It is the same as cellular
respiration since oxygen is present,
What is the process of anaerobic respiration? - answer It is the same as cellular
respiration, except something other than O2 acts as the final electron acceptor.
What organisms perform anaerobic respiration? - answer Yeast, and some bacteria and
archaea
What are the products of anaerobic respiration? - answer2 ATP
What is fermentation? - answerA type of respiration without O2 that is used to keep
glycolysis going.
What are the two types of fermentation? - answerAlcoholic and lactic acid fermentation
What organisms perform each type of fermentation? - answerAlcoholic- yeasts,
bacteria, fungi; Lactic Acid- animals (muscle cells), some bacteria and fungi
What is the process of alchoholic fermentation? - answerGlycolysis occurs, but the two
pyruvate molecules yielded are used to produce CO2and ethanol. The pyruvate
molecules also produce acetaldehyde, which acts as the final electron acceptor.
Acetaldehyde allows NADH to donate its electrons to it, allowing for the regeneration of
NAD+.
What is the process of lactic acid fermentation? - answerGlycolysis net yields 2 ATP, 2
Pyruvate, and 2 NADH. The 2 pyruvate molecules yield 2 lactates. In this process of
fermentation, pyruvate acts as the final electron acceptor, allowing NADH to donate its
electrons to it, regenerating NAD+.
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