Microbiology Exam Review Flashcards
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Flashcards based on key concepts from microbiology, focusing on methods of microbial counting, sterility, genetics, and microbial control techniques.
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6 Terms
The method used to count individual cells using a glass slide with grids is called __________.
Petroff Hauser counting
What is cell counting used for?
Cell counting is essential for quantifying cell populations in fields such as microbiology, hematology, and biotechnology.
What is a hemocytometer?
A hemocytometer is a specialized slide used for counting cells under a microscope.
What is the significance of cell density?
Cell density refers to the number of cells in a given volume, which is critical for understanding cell growth and health.
What types of cells can be counted using the Petroff Hauser counting method?
The Petroff Hauser counting method can be used to count bacteria, yeast, and other microorganisms.
What is the formula for calculating cell concentration using a hemocytometer?
Cell concentration can be calculated using the formula: C = \frac{N \times D}{V} where N is the number of cells counted, D is the dilution factor, and V is the volume counted.
