Which of the Following Statements About the Gram Stain Is

question 51

Multiple Choice

Which of the following statements about the Gram stain is most correct?

• A) Crystal violet differentially stains Gram-positive cells.
• B) Gram's iodine differentially stains Gram-positive cells.
• C) Ethanol differentially destains Gram-negative cells.
• D) Safranin differentially stains Gram-negative cells.

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Definitions:

Labour Rate Variance

Labour rate variance is the difference between the actual hourly wage paid to workers and the standard wage rate expected, indicating variations in labor cost.

Material Quantity Variance

The difference between the actual quantity of materials used in production and the expected quantity, multiplied by the standard cost per unit.

Standard Costing

An accounting method that uses predetermined costs for product costing, performance evaluation, and decision making.

Labour Efficiency Variance

A metric that measures the difference between the actual labor hours used in production and the standard or expected hours, often indicating labor performance.