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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.
Q. Causes of gastro oesophageal reflux disease? GERD may develop due to any of the following reasons: • decreased muscle tone or abnormal relaxation of the LES, • reduced st
#quesWhat benefits can commensalism offer to a species..
digram or mammalian testis
State the Effects of alcohol and smoking for diabetics patient A major concern with alcohol consumption is the potential danger of hypoglycaemia (low blood sugar), especially w
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State about osteogenesis Embryologically, osteogenesis may be classified as either intramembranous or endochondral. When the ossification occurs directly, it is defined as intr
The branches of the left coronary artery are anterio interventricular artery (AIV artery) and circumflex artery which is considered to be the continuation of the left coronary art
How dissimilar are the swimming strategies in osteichthyes and in chondrichthyes? Why do sharks need to agitate their body to swim while bony fishes do not? Bony fishes have a
What is the excretory organ of lizard
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