Colony morphology refers to a certain microorganisms in a certain medium from a single organism formed by the group form. Bacteria, actinomycetes, yeasts and mo
Microbial cell size, one of the morphological characteristics of microorganisms, is also one of the bases for taxonomic identification. Since the organism is ve
The autoclave experiment is applied to: sterilization. High-pressure steam sterilization is the items to be sterilized in a closed pressurized sterilizer pot, t
Ultraviolet sterilization is carried out with ultraviolet lamps, the wavelength of 200 ~ 300 nm of ultraviolet light have the ability to sterilize, of which 260
Commonly used chemical disinfectants mainly include heavy metals and their salts, phenols, alcohols, aldehydes and other organic compounds, as well as iodine, s
The sugar fermentation test is the most commonly used biochemical reaction and is particularly important in the identification of intestinal bacteria. The vast
Various bacteria have different oxygen requirements, and bacteria can be categorized into four types based on their oxygen requirements or the amount of oxygen
The formation of ascospores and their shape is an important basis for the classification of yeast. The formation of ascospores can only be observed in a part of
Anaerobic microorganisms are widely distributed and diverse in nature, and their role is increasingly being emphasized. The technical key to cultivating anaerob
A certain amount of microorganisms, inoculated in a suitable fresh liquid medium, cultured at a suitable temperature, the logarithm of the number of bacteria as
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