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What would happen in fermentation if NAD plus is not regenerated?
If NAD+ is not regenerated, the oxidation of glyceraldehyde 3-P will cease and glycolysis will stop.
Which high energy electron carrier is regenerated during fermentation?
NAD+
What happens during the lactic acid fermentation?
NAD+ is regenerated, allowing glyocolysis to continue
WHAT DOES REGENERATED?
NAD+
What is the recycling of NAD under anaerobic conditions?
fermentation
How does fermention allow the producetion of ATP to continue?
Two molecules of NADH + H+ are produced in glycolysis, and during fermentation, they become oxidized to NAD+ (one of the requirements for glycolysis to occur). Thus, both lactid acid and alcoholic fermentation allow for NAD+ to be continually regenerated for use in glycolysis, where a total of 4 ATP molecules are produced (a net gain of 2 ATP).
Why citric acid cycle is oxygen dependent?
The citric acid cycle does not directly utilize oxygen, however it is still necessary in order for it to proceed. The reason for this is that in order for NADH to be reduced back into NAD+, oxygen must be present. If NAD+ is not regenerated, the cycle can't proceed, thus fermentation evolved. This is correct except for that NADH must be oxidized to NAD+, not reduced. Reduction of NAD+ results in NAHD + H+
What do both lactic fermentation and alcoholic fermentation produce?
they alcoholic fermentation produces ethanol and carbon dioxide and 2 ATP molecules in bacteria and yeast and lactic fermentation produces 2 ATP molecules
What is the primary function of fermentation?
Regeneration of NAD+
What is the main goal of fermentation?
To regenerate NAD+
What molecule does fermentation provide to glycolysis?
Pyruvic acid is made during glycolysis and is later used in fermentation.
What is the role of fermentation in cellular respiration is to recycle?
NAD+
