Passive diffusion, facilitated diffusion, active transport, or endocytosis facilitate nutrient absorption at the brush border of the small intestine.

Question

Quizplus · Accepted Answer

These mechanisms are involved in nutrient absorption in the small intestine, where passive diffusion allows nutrients to move along their concentration gradient, facilitated diffusion uses carrier proteins for nutrient transport, active transport requires energy to move nutrients against their concentration gradient, and endocytosis involves the cell membrane engulfing substances to bring them into the cell.

Passive Diffusion, Facilitated Diffusion, Active Transport, or Endocytosis Facilitate Nutrient