In which transport,carrier molecule is necess | vedclass

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(B) $1$. Diffusion is a passive process that does not require carrier proteins or energy.$2$. Facilitated diffusion is a type of passive transport whe

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Facilitated diffusion

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(B) $1$. Diffusion is a passive process that does not require carrier proteins or energy.$2$. Facilitated diffusion is a type of passive transport where specific carrier proteins are required to move molecules across the membrane,but it does not consume $ATP$ (energy).$3$. Active transport requires both carrier proteins and energy $(ATP)$ to move molecules against the concentration gradient.$4$. Therefore,the process that requires a carrier molecule but does not utilize energy is facilitated diffusion.

Column-$I$	Column-$II$
$(a)$ Passive transport	$(p)$ Movement from higher concentration to lower concentration, no energy required
$(b)$ Active transport	$(q)$ Movement along the concentration gradient, requiring carrier proteins
$(c)$ Facilitated diffusion	$(r)$ Movement against the concentration gradient, requiring energy
$(d)$ Osmosis	$(s)$ Diffusion of solvent molecules across a semi-permeable membrane

In which transport,carrier molecule is necessary but energy is not utilised?

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