Guided course 07:51What Happens to Aerobic Organisms if There's No Oxygen?Jason Amores Sumpter7549views94rank
06:22Alcohol or ethanol fermentation | Cellular respiration | Biology | Khan AcademyKhan Academy1043views1rank
Multiple ChoiceFermentation allows a cell to:a) Recycle NADH to NAD+ for glycolysis.b) Use NADH as a terminal electron acceptor.c) Reduce NAD+ to NADH for glycolysis.d) Synthesize ATP via ATP synthase.2652views12rank
Multiple ChoiceWhich of the following describes a primary function of both lactic acid fermentation and alcohol fermentation?a) Reduction of NAD+ to NADH.b) Oxidation of NADH to NAD+.c) Reduction of FAD to FADH2.d) Hydrolysis of ATP to ADP.3006views12rank
Multiple ChoiceIn which of the steps of aerobic and anaerobic cellular respiration does substrate-level phosphorylation occur?a) In glycolysis only.b) In the Krebs cycle only.c) In the electron transport chain only.d) In both glycolysis and the Krebs cycle.e) In both the Krebs cycle and the electron transport chain.2149views17rank2comments
Multiple ChoiceWhich of the following statements about NAD+ is true?a) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the Krebs cycle.b) NAD+ has more chemical energy than NADH.c) NAD+ donates high energy electrons to the electron transport chain.d) In the absence of NAD+, glycolysis can still function.7882views28rank1comments
Multiple ChoiceMuscle tissues make lactate from pyruvate to do which of the following? 1055views2rank
Multiple ChoiceIn glycolysis in the absence of oxygen, cells need a way to regenerate which compound? 1138views
Multiple ChoiceSports physiologists at an Olympic training center wanted to monitor athletes to determine at what point their muscles were functioning anaerobically. They could do this by checking for a buildup of which of the following compounds? 1529views1rank
Multiple ChoiceFermentation is essentially glycolysis plus an extra step in which pyruvate is reduced to form lactate or alcohol and carbon dioxide. This last step __________. 1894views
Textbook QuestionWhich of the following is a distinction between cellular respiration and fermentation? a. the transfer of from intermediate substrates to ADP b. the movement of H+ across a membrane down its concentration gradient c. the splitting of glucose into two molecules of pyruvate d. electrons moving through the electron transport chain663views
Textbook QuestionIn which of the following is the first molecule becoming reduced to the second molecule? a. pyruvate → acetylCoA b. pyruvate → lactate c. glucose → pyruvate d. NADH + H+ →NAD+ + 2H943views
Textbook QuestionAnaerobic respiration . a. generates proteins for muscles to use; b. occurs in yeast cells only; c. does not use oxygen as the final electron acceptor; d. uses glycolysis, the citric acid cycle, and the electron transport chain1092views1comments
Textbook QuestionCompare and contrast fermentation as it occurs in your muscle cells and in yeast cells.776views
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