Difference between rods and cones
Difference between rods and cones Point of difference RODS CONES Number More numerous, 125 millions in each eye Less than rods, 7 millions in each […]
Human Eye: Anatomy, parts and structure
Human Eye: Anatomy, parts and structure The eye is the photo-receptor organ. Size and shape: Human eye is spherical about 2.5 cm in diameter. Location: […]
Continuous cell lines commonly used for virus cultivation
Continuous cell lines commonly used for virus cultivation Continuous Cell lines Viruses cultivated HeLa (Human epithelial cell line of cervical carcinoma) Respiratory syncytial virus, Adenovirus, […]
Mycoplasma: habitat, morphology, culture and biochemical characteristics
Mycoplasma: habitat, morphology, culture and biochemical characteristics Mycoplasma are pleuromorphic smallest living organism, also known as Pleuropneumonia like organism (PPLO). Belongs to family Mycoplasmataceae Habitat: […]
Genus Streptococcus: habitat, morphology, culture and biochemical characteristics
Genus Streptococcus: habitat, morphology, culture and biochemical characteristics The genus streptococcus include a large number of species of Gram +ve, catalase –ve cocci arranged in […]
Virulence factors and streptococcal infections
Virulence factors and streptococcal infections Virulence factors of streptococcus: Capsular hyaluronic acid Group specific polysaccharide antigen Type specific antigen Protein F and G Exotoxins Hemolysin: […]
Dengue pathogenesis, clinical manifestation, lab diagnosis and treatment
Dengue pathogenesis, clinical manifestation, lab diagnosis and treatment Pathogenesis of Dengue: Dengue virus after entering in the body invades the local macrophages and multiply there. […]
Dengue virus: structure, serotypes and mode of transmission
Dengue virus: structure, serotypes and mode of transmission Introduction Dengue is an arthropod borne virus belongs to family Flaviviridae and genus Flavivirus. Dengue virus is […]
Western blotting technique: principle, procedure and application
Western blot Principle: Western blotting technique is used for identification of particular protein from the mixture of protein. In this method labelled antibody against particular […]
Southern Blotting: principle, procedure and application
Southern Blotting Principle: Southern blotting is an example of RFLP (restriction fragment length polymorphism). It was developed by Edward M. Southern (1975). Southern blotting is […]