Teichoic Acids Are

question 9

Multiple Choice

Teichoic acids are:

• A)waxy substances that are found in some bacterial cell walls that make the cells resistant to toxic substances,including acids.
• B)glycerol- or ribitol-phosphate polymers that are combined with various sugars,amino acids,and amino sugars,which are a part of the cell wall of gram-positive bacteria.
• C)high-molecular-weight polysaccharides that coat some bacterial cells and protect the bacteria from attack by cells of the human defense system.
• D)hairlike,proteinaceous structures that extend from the cell.

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Definitions:

Total Revenue

The total amount of money a firm receives from sales of its products or services before any expenses are subtracted.

Demand

The total quantity of a good or service that consumers are willing and able to purchase at various price levels at a given time period.

Unit Elastic

A demand or supply situation where a percentage change in price results in an equal percentage change in the quantity demanded or supplied.

Revenue Inelastic

A situation where the revenue from a product does not significantly change with fluctuations in its price, indicating a low sensitivity to price changes.