An element is important for formation of mitotic spindle. Identify it.

Rainbow formation.

An element playing important role in nitrogen fixation is:

What are mitotic poisons?

Important site for formation of glycoproteins and glycolipids is:

Study the following flow chart depicting the formation of curd from milk. Identify the missing parts X and Y.

Which directs formation of the bipolar spindle during cell division ?

An element is placed in 2nd group and 3rd period of the periodic table, burns in presence of oxgyen to form a basic oxide . Identify the element .