NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which word describes the type of membrane that substances can move across?
A
Semi-detached
B
Semi-reticulated
C
Semi-permeable
D
semi-inverted
Explanation: 

Detailed explanation-1: -Osmosis. The net movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Detailed explanation-2: -Other types of semipermeable membranes are cation-exchange membranes (CEMs), anion-exchange membranes (AEMs), alkali anion exchange membranes (AAEMs) and proton-exchange membranes (PEMs).

Detailed explanation-3: -Plasma membrane is a semipermeable membrane.

Detailed explanation-4: -A semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion-or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.

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