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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.
Selection of healing abutment It is done depending upon the tissue thickness. Tissue thickness can be measured similar to ridge mapping or sounding procedure, wherein after an
Three point charges are located at the corners of an equilateral triangle. Find the magnitude and direction of the net electric force on the 1.60 uC charge. (Let A = 1.60 uC, B= 6.
Class of Crustacea - Branchiopoda These are small fresh water crustaceans. The trunk appendages are flattened and leaf like and are helpful for locomotion also respiration he
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DRINKING & DRIVING - It should not be mixed because alcohol - 1. Impairs ability to judge distances. 2. Reduces capacity to coordinate limb muscles. 3.
Define Precipitation or Solubility of Proteins? Most of the functional properties are dependent on the degree to which the proteins are soluble. The solubility behaviour provid
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Non-nucleoside reverse transcriptase inhibitors (NNRTIs) - These drugs are direct, non-nucleoside inhibitors of HIV-1 reverse transcriptase. Combinations of an NNRTI with NRTIs
General characteristics of phylum
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