<span>D. A theory is backed up by repeated observations and tests.</span>
a) Pyruvate is a three-carbon molecule, so two molecules can be produced from each molecule of glucose. In total, from 4 molecules of glucose that enter glycolysis, there will be produced eight molecules of pyruvate.
b) PA becomes Lactic Acid instead of Acetyl CoA in anaerobic respiration (that is in auscense of oxygen), particularly when the cell carries out lactic acid fermentation, which is what can happen in the mitochondria of muscle cells when faced with a very demanding stimulus.
Hijra, xanith, and berdache are all examples of a the third gender, they can be dressed like women but be men. Hijra in Hindi is referred to the third gender, xanith also is the same and berdache alludes to a t<span>wo Spirits Native American Tribes. Eunuch is the most close English word for such people though it is primarily used for castrated men. </span>
I'm sure that's 100% true.