Villi on the wall of the small intestine absorb nutrients into the bloodstream.
Villi and microvilli are found mostly in the small intestine allowing nutrients to be absorbed to the cell first, then to the blood stream. They are not absorbed directly.
False. It can also be antibiotic-resistant. But it is true that it would be difficult to determine the phenotype in a big population of mycobacterium .The answer is true.