Because they’re green. grasshopper are also pretty small.
Places and religion because it’s good to get to know everybody’s religious life. Also you can explore the history behind and why they still believe in it to this very day
The question is incomplete. The complete question is:
Question: Why do organisms without oxygen need to convert pyruvate to lactate?
A) because pyruvate is toxic to the cells
B) in order to regenerate NAD+
C) in order to use lactate in the citric acid cycle
D) because lactate is needed to produce ATP
Answer:
B) in order to regenerate NAD+
Explanation:
Kreb's cycle and electron transport chain (ETC) are the aerobic stages of cellular respiration. ETC regenerates NAD+ and FAD+ by oxidation of NADH and FADH2 produced during glycolysis and Kreb's cycle. Here, oxygen serves as the terminal electron acceptor.
Glycolytic reactions use NAD+ as an electron acceptor and produce NADH. Therefore, a constant supply of NAD+ is required to sustain glycolysis. In absence of oxygen, ETC cannot occur and organisms convert pyruvate into lactate. Pyruvate is reduced in lactate and NADH serves as the electron donor. Thereby, lactate fermentation regenerates NAD+ to continue the process of glycolysis.
Answer:
In anaerobic respiration, which occurs during fermentation, less energy is extracted — only two ATP molecules per glucose molecule — because the products of the process, such as ethanol or lactic acid, contain more energy than does carbon dioxide, the product of aerobic respiration
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XX Chromosome and Male have XY chromosome.
