A Petroff-Hausser Chamber ________

question 102

Multiple Choice

A Petroff-Hausser chamber ________.

• A) uses either the spread plate or pour plate method
• B) concentrates low numbers of bacteria before plating
• C) is used for the rapid determination of cell number by using the apparent absorbance of light
• D) determines the number of cells/ml counted from known volume of fluid

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Definitions:

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Opportunity Cost

Opportunity cost represents the benefits an individual, investor, or business misses out on when choosing one alternative over another.

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Tax Shield Approach

A method used in finance to reduce taxable income by properly deducting expenses like mortgage interest, which decreases overall taxes owed.