Definition : They are aldehyde / ketone derivative of polyhydroxy alcohol Based on number of of monomer sugar can be : Monosaccharide Disaccharide Oligosaccharide polysaccharide Based on reducing sugar property sugar can be Reducing sugar …
Continue readingCategory: microbiology notes
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definition of monosaccharide
introduction Monosaccharides consist typically 3 to 7 carbon atoms and are either as aldoses or ketosis , it contains aldehyde group or a ketone group The simplest monosaccharide , aldose is glyceraldehyde , ketose is …
Continue readingcarbohydrates : introduction and function
introduction carbohydrates are the most abundant class of organic molecules found in nature and biological system. they contains C, H and O having basic molecular formula (CH20)n. carbohydrates means “hydrates of carbon” they are the …
Continue readingRadiation : it’s uses in microbiology
radiation so what is radiation and how it’s used in controlling microbes Energy is transmitted through space or through a material medium is generally called as radiation. The major types of radiations are electromagnetic radiation, …
Continue readingOsmotic pressure
Osmotic pressure is the diffusion in which solvent and solute molecules pass through a semipermeable membrane till the concentration of the substance on either side of the membrane becomes equal. Osmotic pressure is defined as …
Continue readingDesiccation: what is Desiccation ?
Desiccation ( loss or lack of water) results in loss of metabolic activity, followed by decrease in the total viable population. The time of survival of micro organisms after dssication varies depending upon –the type …
Continue readingConditions that influence activity of an antimicrobial agent
today we are discussing about condition that influence the anti heroes of microbes so let’s do it. Destruction of micro organism and inhibition of microbial growth are note simple as a number of factors affect …
Continue readingStaining : Types of Staining Solution
Staining solutions Accentuators & mordants : In order to increase the intensity of staining or to stain at all it may be necessary to add an accentuator or intensifier to a staining reagent. At times …
Continue readingLow temperature: what it does to microbes
Temperature below the optimum for the growth decreases the rate of the metabolism but if it is sufficiently low, growth and the metabolism ceases. Low temperature is useful for the prevention of the cultures as …
Continue readingPhysical agents: Let’s check them
The major physical agents or processes used for control of microorganisms are temperature , desiccation , osmotic pressure radiation and filtration Microorganisms are omnipresent, occur everywhere on the surface of earth. Microorganisms are able to …
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