(1) Protein pump uses energy against concentration gradient to pump the molecule inside the plant cell. It is specific on carrying the substances across the membrane.
(2) It is made up of specific types of proteins which are called trans-membrane proteins. These protein transport substances across the membrane by deriving energy from ATP. By this after entering into cytoplasm the protein complex gets dissociated to produce the specific substanceAnswered by Abhisek | 1 year ago
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