What are vitamins?

What are histones? What are their functions?

What are proteins? What is their role in our body?

A dietician wishes to mix two types of food in such a way that the vitamin contents of the mixture contain at least 8 units of vitamin A and 10 units of vitamin C . Food I contains 2 units per kg of vitamin A and 1 unit per kg of vitamin C , while food II contains 1 unit per kg of vitamin A and 2 units per kg of vitamin C . It costs Rs 5 per kg to purchase food I and Rs 7 per kg to purchase food II . Identify the objective function so as to minimize the cost of mixture.

Name the following: Substances which are antioxidants and vitamins.

What are joints? What are their types?

What is CNG ? What are its constituent and what is advantage of CNG over LPG ?

What is LPG ? What are its constituent ?

What is an atom and moleule ? What are isotopes?

What is albuminuria? What are its causes?

What are lichens? What are different components of Lichens?