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Category: Microbiology

BACTERIAL GROWTH AND NUTRITION

October 9, 2021February 4, 2022 agvetnepal

Bacterial Growth Generation Time Time required for a bacterium to give rise to two daughter cells under optimum conditions. • For Escherichia coli and most of the other pathogenic bacteria, -it is 20 minutes; • For Mycobacterium tuberculosis: It is Read More …

Microbiology, Veterinary

Different types of microscopes used in microbiology

October 9, 2021December 15, 2021 agvetnepal

Principle: In a dark field microscope, the object appears bright against a dark background. This is made possible by the use of a special darkfield condenser.

Microbiology, Veterinarybright field microscope, dark field microscope, different types of microscopes, electron microscopes, fluorescent microscope, microscopy

Staining Techniques Used in Microbiology

October 9, 2021December 15, 2021 agvetnepal

Staining is necessary to produce color contrast and thereby increase the visibility of the object. Before staining, the fixation of the smear to the slide is done:

Microbiology, Veterinary

Gram staining of bacteria (Principle of Gram staining and steps in Grams’ staining procedure)

October 7, 2021October 26, 2021 agvetnepal

The structure of the organism’s cell wall determines whether the organism is gram-positive or negative. When stained with a primary stain and fixed by a mordant, some bacteria can retain the primary stain by resisting decolorization while others get decolorized by a decolorizer.

Microbiology, Veterinary

Difference between bacterial endotoxin and exotoxin

October 7, 2021October 26, 2021 agvetnepal

Difference between bacterial endotoxin and exotoxin

Microbiology, Veterinary

Bacteria, General morphology, and structural components

September 28, 2021October 26, 2021 agvetnepal

Prokaryotic cells almost always are bounded by a fairly rigid and chemically complex structure present between the cell membrane and capsule/slime layer called the cell wall.

Microbiology, Veterinary

The shape of bacteria (Coccus, Bacillus, Spirochete, Actinomycetes)

September 27, 2021August 3, 2023 agvetnepal

Depending upon the shape, bacteria are classified into several types.

Microbiology, Veterinary

AFU / IAAS Bulletin
B.Sc. Ag. Bulletin (AFU)
B.V.Sc. & A.H. Bulletin (AFU)
B.Sc. Ag. Bulletin (IAAS)
B.V.Sc. & A.H. Bulletin (IAAS)

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