Question
Biology Question on Cell: the unit of life
Which of the following components helps in building up of plasma membrane
A
Protein, vitamin, lipid
B
Lipid, mineral, protein
C
Protein, lipid, carbohydrate
D
Protein, lipid
Answer
Protein, lipid, carbohydrate
Explanation
Solution
Chemically a biomembrane consists of lipids (20−79%), proteins (20−70%), carbohydrates (1−5%) and water (20%).