EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which macromolecule is NOT a part of the cell membrane?
A
carbohydrate
B
lipid
C
protein
D
nucleic acid
Explanation: 

Detailed explanation-1: -So, the correct answer is ‘Lignin’.

Detailed explanation-2: -Nucleic acids are not structural components of cell membranes (ribosomes and nucleus are the main places where they are found). However, being open system, cell exchanges chemicals with its surrounding and cellular membrane can transport nucleic acids as well.

Detailed explanation-3: -So, the correct answer is ‘Proline’

Detailed explanation-4: -Complete answer: The key ingredients of a cell membrane are phospholipids, proteins, and carbohydrate groups which help to form the cell membrane.

There is 1 question to complete.