The figure below shows the uptake of 4 amino acids into cells. Given these data

Question

The figure below shows the uptake of 4 amino acids into cells. Given these data and your knowledge of relative permeability of lipid bilayers to different kinds of molecules, which of the following conclusions are correct? leucine 10 TAAs inside AAs outsidelserine 0.1 proline time Select one: a. Leucine gets in by active transport; serine, glycine and proline get in by passive transport. o b. Serine and leucine get in by active transport; glycine and proline get in by facilitated cross out diffusion. c. Leucine gets in by active transport; serine, glycine and proline get in by facilitated diffusion d. All four amino acids get in by facilitated diffusion cross out cross out cross out e. Leucine, serine, and glycine get in by active transport; proline gets in by facilitated diffusion

Explanation / Answer

Answer is "e". Active transport powerd by ATP energy and occur in less time. Where as Facilitated diffusion not powered by ATP and it takes more time.

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