Questions

A nucleotide is an organic molecule that is the building block of DNA and RNA. They also have functions related to cell signaling, metabolism, and enzyme reactions. A nucleotide is made up of three parts: a phosphate group, a 5-carbon sugar, and a nitrogenous base. The four nitrogenous bases in DNA are adenine, cytosine, guanine, and thymine. RNA contains uracil, instead of thymine. 

A nucleotide within a chain makes up the genetic material of all known living things.

Urea is a by product of amino acid catabolism, Which occurs in the liver. The nitrogen in the  amino acid becomes converted to ammonia and this is further converted by the liver into urea

The river flows through south eastern parts of former USSR close to the china border and drains into sea of Okhotsk. It is 4510 Km long

Chungneijang Mary Kom Hmangte, better known as Mary Kom is an Indian Olympic boxer from Manipur. She is the only woman to become World Amateur Boxing champion for a record six times, and the only woman boxer to have won a medal in each one of the seven world championships.

Venus planet is known as the Morning Star or the Evening Star.