Mutation TYPES OF MUTATION There are broadly two types of mutations: 1. Point mutation 2. Multisite mutations 1. Point mutation Point mutation may occur by (i) Base pair substitution (ii) Frame shift mutations (i) Base pair substitution A single base pair has been substituted for another pair. It can be subdivided into (a) Transition (b) […]
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Identification of Bacteria is done by various Staining Techniques like Simple staining, Negative staining, Impregnation staining, Differential staining, Acid-fast staining
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As name indicates these technique imparts different colour to different bacteria or bacterial structure. It allows us to differentiate between different kinds of bacterial cells or different parts of a bacterial cell. Differential stain technique includes the following technique:- 1. Gram staining 2. Acid Fast staining/Zeihl-Neelsen staining 3. Albert’s stains 1. Gram staining The most
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Immunity is a resistance against any disease/ foreign antigen/microorganism exhibited by host. It may be innate or acquired.
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Difference between Exotoxin and Endotoxin (Bacterial Metabolic Product)
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Various type of Staining techniques in Microbiology S. NO. Staining technique Dye Application 1. Simple Staining Methylene blue/ basic Fuchsin Impart same colors to all bacteria 2. Negative Staining India Ink/ Nigrosin Demonstration of bacterail capsules 3. Impregnation method Siver Demonstration of bacterial flagella & Spirochaetes 4. Differential Staining a. Gram staining primary stain: crystal
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Leprosy is a chronic bacterial disease and it is caused by Mycobacterium leprae. Leprosy was first observed by Hansen in 1868 so also known as Hansen disease. It mainly affects the skin, eyes, nose and peripheral nerves. It is a gram-positive acid-fast bacteria for which 5% percent sulphuric acid is used for the decolorization after
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Virus: Structure, Replication, Cultivation: Microbiology-Pharmacy Notes for D.pharm, B.pharmacy, M.Pharmacy, GPAT, DI, NIPER etc
Virus: Structure, Replication, Cultivation: Microbiology Read More »
Gene transfer in Bacteria: Transformation, Transduction, Lysogenic coversion, Conjugation
GENE TRANSFER IN BACTERIA (BACTERIAL GENETICS) | PHARMACEUTICAL MICROBIOLOGY Read More »
Bacterial Growth Curve, lag phase, log Phase, Stationary Phase, Decline Phase, Generation time, Total count & Viable count of Bacteria
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