What is isotone?

What are isotonic solutions?

What is heparin? What is its use?

20 g of sucrose solution in one litre is isotonic with a solution of boric acid containing 1.63 g of boric acid in 450 ml. Find the molecular weight of boric acid.

What is RuBisCO? What is function?

What is a Zwitterion ? Or what is an isoelectronic point?

What is variation? What are its types?