Question

Toughtly Test (TYMWGILFTO1) Codec
5. Membrane proteins of plasma membrane
(1) Are approximately 40 percent in the
membrane of human erythrocyte
(2) Have quasi-fluid nature
(3) Facilitates the movement of polar molecules
across membrane
(4) Have polar head and non-polar hydrocarbon
tail​

Answer 1

Explanation:

Hey mate

Ans is b option