Select the wrong statement regarding membrane | vedclass

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Question

(C) Membrane channels are specialized integral membrane proteins that facilitate the movement of specific molecules or ions across the lipid bilayer.S

Vedclass · Accepted Answer

All ions pass through the same type of channel.

Vedclass · Answer

(C) Membrane channels are specialized integral membrane proteins that facilitate the movement of specific molecules or ions across the lipid bilayer.Statement $A$ is correct: Channels are composed of proteins.Statement $B$ is correct: Many channels are gated,meaning they can switch between open and closed states to regulate transport.Statement $C$ is incorrect: Membrane channels are highly selective. Different ions (e.g.,$Na^+$,$K^+$,$Ca^{2+}$) require specific types of channels to pass through the membrane.Statement $D$ is correct: Porins are large channel proteins that form huge pores in the outer membranes of plastids,mitochondria,and some bacteria,allowing the passage of molecules up to the size of small proteins.

Select the wrong statement regarding membrane channels.

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