Categories
Organic Chemistry

Proteins and Their Classification

Science > Chemistry > Biomolecules > Proteins and Their Classification The name protein (proteios Greek  = pre-eminent or first) was first suggested, in 1838, by a Swedish chemist Berzelius to a Dutch chemist Mulder, who referred it to the complex organic nitrogenous substances found in the cells of the living beings. They are naturally occurring nitrogenous polymers of different alpha-amino […]

Categories
Human Biology

Blood Plasma

Science > Biology > Human Anatomy and Physiology > Cardiovascular System > Composition of Blood: Blood Plasma When a human blood sample is prevented from clotting and spun in a test tube (centrifuged), in a machine called a centrifuge, the blood separates into a   straw coloured liquid called plasma and a dark brown mass […]