I think the answer would be <span>b.Nuclear energy produces little air pollution.</span>
The choices are:
A. folic acid
B. mercury
C. vitamin D
<span>D. vitamin C
The answer is A. folic acid
Source:</span>https://www.health.ny.gov/publications/1335/
Based on a study, folic acid can prevent brain damages and spinal problems 70%. Giving sufficient folic acid during the first month of pregnancy can help five better health condition and prevent birt defects. There are plenty of foods containing folic acid, mainly coming from cereals, grains, and vegetables.
The answer is NAD+.
In the process of glycolysis, NAD+ is reduced to form NADH+ and H+. If NAD+ is not present, glycolysis will not be able to continue. Under anaerobic conditions, the regeneration of NAD is coupled to the reduction of pyruvate. The anaerobic regeneration of NAD is called fermentation.
In animal tissues , fermentation occurs as pyruvate acts as a makeshift hydrogen acceptor and gets reduced to lactate when NADH transfers electrons to pyruvate. This enzyme catalyzed reaction occurs whenever the available oxygen has been consumed.
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