Showing posts from 2023

Cancer - Causes and symptoms

Cancer - Causes , types and  symptoms    Definition Cancer is a disease characterized by the uncontrolled growth and s…

Atom

Atom : Definition , Structure and atomic model  Defination  An atom is the basic unit of matter and the smallest part…

DNA

DNA - definition, structure  Definition DNA (deoxyribonucleic acid) is a long, double-stranded molecule that carries g…