Question

What do we mean by single cell protein?

• A. One protein synthesised by muscle cell
• B. Protein synthesised by micro-organisms
• C. Protein synthesised by skin cell
• D. One protein synthesised by liver cell

Answer 1

The correct option is B Protein synthesised by micro-organisms

Single-cell protein is a protein obtained from pure or mixed cultures of algae, bacteria, etc. that have 30-70% of protein content in their dry mass. Methylophilyus methylotrophus is a bacterial species that produce single-cell protein. This microbe is rich in amino acids. It is used as a food supplement by humans as well as animals.

Thus the correct answer is option B.