How are two short polypeptide chains of insulin linked together? Name the cry genes that control cotton and corn borer.

How are two chains of protein insulin linked?

How many polypeptide chains are present in Insulin. Name them.

True or False. Insulin consists of three short polypeptide chains i.e., chain A, chain B and chain C.

Complete the fill ups. In insulin chain A and chain B are linked together by……………bridges.

What are lUDs ? Name two lUDs. How do they check the Birth Control ?

Solve the following: Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score?