Tag: purine

Yersinia pestis: Introduction and morphology

Introduction Formerly known as Pasteurella pestis. Falls in family enterobacteriaceae. Discovered in Honkong in 1894 AD by Yersin and Kitasato. Important medical species are Y.pestis,...

Chemical mutagens

Introduction of chemical mutagens It is a mutation agent which is a chemical substance that mimic nitrogen base in normal DNA without coupling during DNA...

Differences between DNA and RNA

S.N DNA RNA 1. It stands for deoxyribonucleic acid. It stands for ribonucleic acid. 2. It is double stranded except in some viruses. It is...