What is the major carrier of the fat-soluble vitamins from the intestinal epithelial cell to the circulation? chylomicrons. albumin. cholesterol?

Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?