The Major Difference Between the Cell Walls of Gram-Positive and Gram-Negative

question 18

Multiple Choice

The major difference between the cell walls of gram-positive and gram-negative bacteria is that

• A)the peptidoglycan layer in gram-positive bacteria is substantially thicker.
• B)the cell wall of gram-positive bacteria contains mycolic acids.
• C)gram-positive bacteria contain a cytoplasmic membrane.
• D)gram-positive bacteria may have a polysaccharide capsule as a covering.
• E)All of the above are correct.

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Definitions:

Artificially Scarce Good

A product or service that is made scarce through artificial means such as monopoly control or government regulations, rather than limited by natural resources.

Externalities

Costs or benefits arising from an economic activity that affect third parties who did not choose to incur that cost or benefit.

Socially Optimal

A condition where resources are allocated in the most efficient way from the society's point of view, maximizing overall welfare.

Common Resource

A resource like air or water that is not owned by anyone, can be used by everyone, and is difficult to exclude others from using.