Which of the following is a characteristic feature of a carrier protein in a plasma membrane?

مندرجہ ذیل میں سے کون سی پلازما جھلی میں کیریئر پروٹین کی خصوصیت ہے؟

Needs expenditure of cellular energy to function

Works against diffusion

Having specificity for a particular type of molecule

None of these

Carrier proteins in the plasma membrane are highly specific, transporting only certain molecules or ions.

They facilitate transport via binding to specific substrates, often without requiring energy.