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explain procedure for determination of the quality of milk1 prepare methylene blue solution by dissolving 1 mg methylene blue in 250 ml of sterile
how did darwin reach the principle of natural selection from the observation of differences among individuals of the same speciesthe darwin
explain the theory or principle of determination of the quality of milkmilk is an ideal medium for the survival and growth of microorganisms it
explain theory or principle of determination of coliformscoliforms are gram negative non-spore forming facultative anaerobic bacteria which produce
what is the mechanism described by darwin that eliminates species less adapted to environmental conditionsthe mentioned mechanism is the natural
explain precautions for determination of fungal and yeast count1 maintain aseptic conditions2 keep alcohol away from flame3 to avoid infections and
who was charles darwinthe charles darwin was an english naturalist born in 1809 and considered the father of the theory of evolution by the end of
define procedure for determination of fungal and yeast countnow carry out the exercise following the steps enumerated herewith1 shake the food sample
what is lamarckismthe lamarckism is the theory that unites the law of use and disuse with the law of the transmission of acquired characteristics
what is meant by the law of use and disuse and by the law of the transmission of acquired characteristicsas per to the law of use and disuse the
q show the history of animal taxonomythe beginning of animal taxonomy was made by aristotle 384-322 bc he extensively studied about anatomy
historically what were the two main evolutionary theoriesthe two major evolutionary theories were darwinism and
explain the theory or principle for determination of fungal and yeast countfungi are widespread and present on food equipments and processing and
how does the study of fossils strengthen the theory of evolutionthe study of fossils reveals extinct and ancient species having many similar
what are fossilsthe fossils are petrified vestiges of beings that lived in the past conserved by chemical and geological processes and found within
explain precautions for gram staining of bacterial cultures1 the dilutions should be chosen on the basis of expected counts in the food sample2 food
in the scientific competition against fixism what are the main arguments that favor evolutionismthe major arguments in favor of evolutionism are
what do you mean by post-herbal period ansit is difficult to draw a sharp line of demarcation between the transition period marked by various
define procedure for gram staining of bacterial culturesnow carry out the exercise following the steps enumerated herewith1 label the nutrient agar
q what do you mean by transition periodthe transition period from the renaissance to the modern period produced many notable workers and much
explain theory or principle of gram staining of bacterial culturesfoods are rich in various nutrients and can support the growth and survival of
explain the direct microscopic counts dmcthe process includes making a smear of food sample on a microscope slide followed by staining with an
q define the herbalsduring the middle ages following the decline of the greek and roman civilisations little significant botanical progress was made
explain some limitations of most probable number1 large quantity of glassware is required2 colony morphology cannot be determined3 it lacks
explain some advantages of most probable number1 it is simple and method of choice for determining fecal coliform densities2 results of different