Abnormal, uncontrolled and purposeless division of cells may lead to the formation/ development of mass of undifferentiated cells i.e. tumor. When tumor is malignant, it is described as cancer and…

Swiss biochemist, Friedrich Miescher (1869) discovered and isolated nucleic acids from the pus cells. By 1938, it became evident that nucleic acids are of two types:- Deoxyribose nucleic acid (DNA)…

Health- According To WHO, health is defined as “ Health is a state of complete physical, mental and social well-being and not merely an absence of disease or physical fitness…