Give one example of denatured protein. 

What are enzymes?

Name the disease caused due to the deficiency of phenyalanine hydroxylase.

Name the enzyme that dissolves blood clots.

Write the names of enzymes whose deficiency causes albinism and phenyl ketone urea.

Write the name and the structure of the simplest amino acid which can show optical activity.

What do you understand by Zwitter ion?

Write the structure of Zwitter ion formed from alanine.