Identify the means of transport represented b | vedclass

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Question

(B) The diagram shows the movement of molecules from a region of high concentration to a region of low concentration across a biological membrane.Sinc

Vedclass · Accepted Answer

Facilitated diffusion; $A$ - Transport protein

Vedclass · Answer

(B) The diagram shows the movement of molecules from a region of high concentration to a region of low concentration across a biological membrane.Since the movement occurs along the concentration gradient,it is a passive process,which is characteristic of diffusion.However,the process requires a specific membrane protein to facilitate the movement of molecules across the lipid bilayer.Therefore,this process is identified as facilitated diffusion,and the structure marked as $A$ is a transport protein.

Property	Simple Diffusion	Facilitated Transport	Active Transport
Transport Saturation	$P$	Yes	Yes
Uphill Transport	No	No	$Q$
Requirement of Energy	No	$R$	Yes

Identify the means of transport represented below and the structure marked as $A$.

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Choose the correct option for $P, Q$ and $R$.
Property Simple Diffusion Facilitated Transport Active Transport
Transport Saturation $P$ Yes Yes
Uphill Transport No No $Q$
Requirement of Energy No $R$ Yes

$P, Q$ and $R$ respectively are:

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