Biomolecules Question 88
The cell membranes are mainly composed of lipids and proteins
[CBSE NEET 2005]
Options:
A) Carbohydrates
B) Proteins are large organic molecules composed of one or more chains of amino acids linked by peptide bonds. They play essential roles in biological processes, including catalyzing metabolic reactions, DNA replication, responding to stimuli, and providing structural support.
C) Phospholipids
D) Fats
Show Answer
Answer:
Correct Answer: B
Solution:
Three types of chemicals compose all membranes: proteins, lipids and carbohydrates. Protein content varies from 46-76%, lipids 20-53%, while carbohydrate content is 1-8%
BETA
