In a X, both molecules cross the membrane in | vedclass

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(C) In facilitated diffusion, some carrier proteins allow transport only if two types of molecules move together.$1$. In a $symport$, both molecules c

Vedclass · Accepted Answer

$X - 	ext{symport}, Y - 	ext{antiport}$

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(C) In facilitated diffusion, some carrier proteins allow transport only if two types of molecules move together.$1$. In a $symport$, both molecules cross the membrane in the same direction.$2$. In an $antiport$, the molecules move in opposite directions.$3$. In a $uniport$, a molecule moves across a membrane independent of other molecules.Therefore, $X$ is $symport$ and $Y$ is $antiport$.

Column-$I$	Column-$II$
$P$. Diffusion	$I$. Along the gradient, with protein
$Q$. Facilitated transport	$II$. Against the gradient
$R$. Active transport	$III$. Along the gradient, without protein

In a $X$, both molecules cross the membrane in the same direction; in an $Y$, they move in opposite directions.

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