Question

Casein is a protein present in milk. Which group of protein is associated with casein?

• A. Nucleoprotein
• B. Chromoprotein
• C. Phosphoprotein
• D. Glycoprotein

Answer 1

The correct option is C Phosphoprotein

• A phosphoprotein are a group of conjugated proteins, like casein, in which the protein molecule is bound to phosphoric acid.
• Casein is a phosphoprotein. These proteins are commonly found in mammalian milk, making up 80% of the proteins in cow milk and between 20% and 45% of the proteins in human milk.

Therefore, the correct answer is option C.