Question

write the chemical nature of plasma membrane or cell wall
please tell the answer for class 9 ​

Answer 1

Answer:

The plasma membrane surrounds the cell. Chemically plasma membrane is composed of:

(a) Protein: 60 to 80%

(b) Phospholipids: 20 to 40%

(e) Cholesterol in small amount

(d) Carbohydiutes in small amount

Different models were put forward about the physiochemical nature

of plasma membrane.