Mina notices various changes in proteins when they re subjected to chemical physical change. Which of the following was wrongly understood by her?

• A. When egg-white is heated it is irreversibly denatured that is its spatial and molecular arrangement changes
• B. When milk is coagulated by acid and heat, protein precipitates which is curd
• C. When meat is cooked, protein chains shrink and hence it shrinks
• D. Mina perfectly understood all the concepts