direct total methods of counting microbes explanation step by step
Answers
✅Directly counting blood cells or tissue cells by using a hemocytometer can determine the concentration of a known volume......
✅Counting the number of colonies that arise on a pour plate can calculate the concentration by multiplying the count by the volume spread on the pour plate......
✅Direct counting methods are easy to perform and do not require highly specialized equipment, but are often slower than other methods......
✅Key Terms
✅hemocytometer: A device that counts microscopic particles. The hemocytometer works by creating a volumetric grid divided into differently sized cubes for accurately counting the number of particles in a cube and calculating the concentration of the entire sample.........
✅streak plate: A petri dish with a growth medium......
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