Refer to the Figure Below Showing Active Transport of Amino

Multiple Choice

Refer to the figure below showing active transport of amino acids from the intestine into cells lining the small intestine, followed by passive transport into the blood. Based on this figure, what terms would be used to describe the mechanism of uptake of amino acids into intestinal cells?

A) Primary active transport; uniporter
B) Primary active transport; symporter
C) Primary active transport; antiporter
D) Secondary active transport; uniporter and antiporter
E) Secondary active transport; symporter and antiporter