Which absorptive process in the small intestine requires a carrier and energy to transport nutrients into absorptive cells?

Question

Quizplus · Accepted Answer

Active absorption requires a carrier protein and energy to transport nutrients against their concentration gradient into absorptive cells. All other options (phagocytosis, facilitated diffusion, and passive diffusion) do not require energy or a carrier protein.

Which Absorptive Process in the Small Intestine Requires a Carrier