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define essentiality of vitamins for growth of micro-organismvitamins are also essential in small amounts for cellular activities and growth these are
potassium calcium iron and magnesium - microorganismthese are supplied by inorganic salts and exist in the cell as cations these perform various
define essentiality of phosphorus for growth of micro-organismphosphorus is used in the form of phosphate salt by microorganisms it is involved in
define essentiality of sulphur for growth of micro-organismsulphur is a part of some amino acids some carbohydrates biotin and thiamine it is
q determine the acidity in the given sample of honeythis activity will help you tobull carry out the acidity test of the given samples of honeybull
define essentiality of nitrogen for growth of micro-organismnitrogen is an essential atom in certain cellular macromolecules eg amino acids purines
define the essentiality of carbon for the growth of microorganismscarbon is needed for the skeleton of all organic molecules microorganisms acquire
q determine the fructose to glucose ratio in honeythis activity will help you to bull check the given samples of honey for any adulteration with
define the nutritional needs of microorganismsabout 95 of dry cell weight of microorganisms is constituted by macro elements these are carbon c
explain nutritional requirements of microbesmicroorganisms require various nutrients and physical factors for their existence and growth nutrients
q fiehes test and aniline chloride testdetermine the adulteration in the given honey sample by fiehes test and aniline chloride testthis activity
what do we mean by culture mediaculture media you would realize is a solid or liquid preparation containing all the nutrients required by microbes
titration of inverted honey solutionit involves the titration of the inverted honey solution carry out the titration in the following manner1 in a
define procedure for use microbiological laboratory equipmentsnow carry out this activity following the steps given herewith1 observe each instrument
it involves the standardization of copper sulphate solution this is same as done in the previous activity1 pipette accurately 5 ml of solution a
q acid hydrolysis of non-reducing sugarit involves the acid hydrolysis of non-reducing sugars to reducing sugars it is also known as the process of
explain the working of conical flasksconical flasks of different volumes can be used for media preparation and also for culturing large amount of
q determine the sucrose content in a sample of honeythis activity will help you tobull estimate the non-reducing sugars and total sugars in a sample
q explain lane eynon method procedureyou will be carrying out the procedure in two steps using lane eynon methodstep 1 it involves the
q standard invert sugar solutionreagents required 1 standard invert sugar solution weigh accurately 0985 g of sucrose and dissolve in 500 ml of
q marking regulations of honeythe marking regulations indicate that each container of honey shall be suitably marked so as to give suitable
explain the glass test tubes - food microbiologysterile glass tubes are used for culturing microorganisms in liquid or solid media sterility in tubes
q show the ph range of natural honeythe ph of natural honey ranges from 34 to 61 acidity of honey is primarily due to presence of acids such as
q percentage ratio of ash in honeystandards allow ash content in honey up to 05 per cent but the ash of genuine honey seldom exceeds 035 per cent it
caution for the use of pipettes - food microbiology1 never do pipetting with mouth2 for culturing sterilized pipettes should be used3 never keep