Whatever we intake either gets absorbed or excreted. But, there are various mechanism by which the intake neutrients gets absorbed. The cell membrane act as a semipermeable barrier to allow lipophilic molecules to gets inside. Different channels, transporters also help for absorption process. Students must understand the 7 mechanism of absorption that includes....P.P.F.A.I.I.E. to get idea about the selectivity of the molecules. It includes Passive diffusion, Pore transport, Facilitated diffusion, Ion pair transport, Ionic diffusion, and endocytosis to get clear idea about absorption mechanism.
MCQ on Mechanism of Absorption
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