The Difference in Cell Wall Structure of Mycobacterium and Nocardia

question 27

Multiple Choice

The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical gram-positive bacterial cell wall structure is

• A)more peptidoglycan.
• B)predominance of unique,waxy lipids.
• C)easily decolorized.
• D)presence of lipopolysaccharide.

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Definitions:

Mathematical Formula

An equation or expression representing a relationship between mathematical symbols and quantities.

Hydrogen Ion Concentration

A measure of the acidity or alkalinity of a solution, often expressed in terms of pH.

pH

A measurement system designed to indicate the level of acidity or alkalinity in water-based solutions, ranging from 0 (highly acidic) to 14 (highly alkaline), with the midpoint, 7, representing a neutral pH.

Buffer

A solution that resists changes in pH when acid or alkali is added to it.