i need hhelp on these last two questions(what is the realationship between the height of villi and absorption ?) and (As villi get taller the increases because...) thank you :)

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

not only is it colder, it also becomes darker, less salty, and more dense.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.