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Explain Membrane Filtration Technique?
Another method used for determining the bacterial number is the filtration technique. The margain figure illustrates the membrane filter assembly. This technique can be used to know the microbial count in liquid samples containing relatively very small quantity of microbes. Both viable and total counts can be obtained. A known volume of the sample is passed through a special membrane filter having pores small enough to trap bacteria and other microbes. For viable count, the membrane filter is placed over the agar medium surface or over a pad soaked in liquid medium and incubated for 24 hours. Each cell trapped form a separate colony. The numbers of colonies, then formed, indicate the number of microbes present in the volume of sample, which is drawn through a membrane filter. The colonies are counted by hand or by using quebec colony counter.
Which type of plant tissue is cork? Cork, the material, for example, used to cap wine bottles, is extracted from the suber of a special oak known as cork oak.
A) General Characteristics 1) It should be a well-ripened natural product. 2) It should be clear and visually transparent. 3) It should be extracted with the help of a
Alkaline Phosphatases use water as a second substrate. Why do we still treat their kinetics as if they were for a single-substrate reaction?
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origin of species
Q What are the major ecological roles of bacteria? Bacteria are responsible for the decomposition process at the end of food webs and chains in this process they also liberate
Define effect of Fat on quality and quantity of human milk? Fat content of milk appears to be subject to variability as compared to other constituents. The average fat content
Rough and Smooth Endoplasrnic Reticulum (RER and SER) ER is differentiated into two regions, granular or rough endoplasrnic reticulum (RER) and agranular or smooth endoplasrni
Equipment and Supplies: Nurses who are aware of location of equipment and supplies do give accurate delivery of patient care without delay and wastage of time and energy for
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