Enzymes: Properties and Mechanism of enzyme action
Enzymes Enzymes are biological catalyst that catalyze biochemical reaction during metabolism but itself remain unaffected during the process of catalysis. Enzymes accelerate the rate of […]
Hormones- Properties, functions and classification
Hormones: Hormones are the chemical messenger produced in small amount by endocrine glands, secreted into blood stream to control metabolism and biological activities in target […]
Physical behaviour of chromosomes during meiosis
Chromosomes during meiosis: Meiosis division occurs during gametogenesis in higher organism (eukaryotic cells). The events of meiosis of a cell includes duplication of chromosomes which […]
Chromosomal theory of inheritance
Chromosomal theory of inheritance In 1902 and 1903, Sutton and Boveri published independent papers proposing the chromosome theory of inheritance. According to Chromosomal theory of inheritance, […]
Cancer: etiology, pathophysiology, types, diagnosis and treatment
Cancer Cancer is defined as uncontrolled growth of a group of cells disregarding the normal rule of cell division. Such cells are known as cancer […]
Difference between Live and Killed vaccine
Difference between Live and Killed vaccine Features Live Vaccine Killed Vaccine Dose administered Single dose Multiple dose Stability Less stable More stable Immunity induction Both […]
Vaccine: Characteristics and types of vaccine
Vaccine Vaccine is a biological preparation that improves immunity to a particular disease. They are molecules, usually but not necessarily proteins, that elicits an immune […]
Giemsa stain: Principle, procedure, result
Principle Giemsa stain is a Romanowsky stain that is widely used in parasitology to stain malaria and other blood parasites. In microbiology, the Giemsa technique […]
Biological significance of water
Some biological importance of water are; 1. Water as Biological solvent: Water is excellent solvent for polar substances. These includes ionic substances like salts, which […]
Classification of protein; on the basis of structure, composition and function
I. Classification of protein on the basis of Structure and composition: • This Classification of protein is based on shape or structure and composition. They […]