Question

Which of the following statements is / are wrong with regard to active transport?
(i) Uses ATP energy to pump molecules
(ii) It works against concentration gradient
(iii) It is carried out by proteins present in the cytoplasmic fluid
(iv) Carrier proteins are non-specific in their function

• A. (iii) only
• B. (iv) only
• C. (iii) and (iv) only
• D. (i), (ii), (iii) and (iv)

Answer 1

The correct option is C (iii) and (iv) only

Carrier proteins are associated with the plasma membrane.carrier proteins are specific.