Question

Letters
You are Reena | Raju of 85, RameshNagar
New Delhi Write a
letter in
100-120 words

,
to the General Manager, DTC, complaining about

voletion of advisory on social
distancing in buses in your
area and urging


him to take urgent steps in this matter.​

Answer 1

There are 20 different types of amino acids that can be combined to make a protein. The sequence of amino acids determines each protein's unique 3-dimensional structure and its specific function. Antibodies bind to specific foreign particles, such as viruses and bacteria, to help protect the body.