This is a cellular respiration question, related to biology.
Some processes in our bodies require the use oxygen, others do not.
In this case, the conversion of pyruvic acid to acetyl co-enzyme A and the production of water in the electron transport chain do require oxygen.
If oxygen was not present for pyruvate, it would turn into lactic acid via fermentation. Water in the ETC is formed in the process when NADH and FADH2 are converted to molecular oxygen due to the electron transporters. The protons are then pumped and oxygen is reduced to form H2O.
<span>Actually the people with diseases such as hiv or aids are stigmatized when compared to diseases like cancer, because the main reason is that ie, the general mindset of most people regarding hiv/aids which has formed over long period of time, which is lot and lot negative mouth pubilicity more commonly which is notat fully true and another main reason most peoples think that it spreads to them easily even through outside contact with that person.</span>
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this is not a proper question
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Male with attached earlobes
