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Define Disadvantages of Using the Plate Counts Method?
1. It takes time, usually 24 hours or more is required to obtain visible colonies.
2. Microbial count obtained depends upon the culture media used for plate counts.
3. It is not a very useful method for actinomycetes and moulds because in plate counts, it is the asexual spores, which are counted.
4. More glassware is needed.
5. Errors in result may arise due to errors in dilution or plating.
6. Results are expressed as counts forming unit per ml (CFU/ml) rather than as number of microbes. It is so because many microbes are present in chains and clusters and it is difficult to be absolutely certain that each colony has arisen from a single cell. A colony might be produced from a short segment of a chain or from a bacterial clump.
Properties Gum Arabic is unique between the natural hydrocolloids because of its extremely high solubility in water and can yield solutions of up to 55% concentrations. Solutio
(i) Genetic Bio- Diversity: All forms of life on earth contain genes. Genes are carrier of hereditary characteristic from one generation to another. " genetic diver
Other Complications of Prosthetic Valves : One of the dreaded complications of mitral valve replacement is ventricular rupture. It is difficult to manage and so it is better avoi
Hydrarch - Ecology Its various stages are well studied in ecosystem like ponds, pools and lakes. Since pond is a fresh water ecosystem, the succession in it is also referred t
Bioinert Metals:- Commercially pure titanium/ titanium alloys Ceramics:- Aluminum oxide, zirconium oxide
In During translation, the series of an mRNA molecule is examined from its 5' end by ribosomes that then synthesize an appropriate polypeptide. Together in prokaryotes and in eukar
Noise Exposures - Factors Affecting Occupational Health Various equipment and processes generate noise of varying intensity and - frequency. In this respect ventilation system
Ask question which soil is good
Q. Show Artificial systems of classification of plants? Carolus Linnaeus (1707-1778) popularly known as Carl Von Linne was born on May 1707 at Result, a small village in Smalan
What are the uses of formycin B? Formycin B is a drug used to demolish of intestinal parasites.
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