試題詳解

67. In animal digestion and absorption, which one is the correct description?
(A) The small intestine releases the hormone secretin in response to acid.
(B) Fats packaged in chylomicrons pass directly from epithelial cells to the bloodstream.
(C) In the stomach, proteins are cleaved into amino acids by aminopeptidases.
(D) All sugars are absorbed via secondary active transport.
(E) In omnivores, including humans, the cecum is an important organ for digestion of cellulose.