Why Are Gram- Negative Bacteria More Resistant Than Gram- Positive

question 32

Multiple Choice

Why are Gram- negative bacteria more resistant than Gram- positive bacteria to damage by certain chemical agents like lysozyme?

• A) Gram- negative bacteria lack a cell wall.
• B) Gram- negative bacteria contain peptidoglycan in their cell wall.
• C) Gram- negative bacteria have a thicker layer of peptidoglycan in their cell wall.
• D) Gram- negative bacteria have an outer membrane as part of their cell wall.
• E) Gram- negative bacteria have porins.

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Definitions:

Price Level

An index that measures the average of prices for goods and services in an economy over a period of time.

Aggregate Expenditure Line

A graphical representation of the total planned spending in an economy at various levels of national income.

Price Level

A measure that reflects the average prices of goods and services in an economy at a specific point in time.

Marginal Propensity

The tendency of an individual or household to spend an additional dollar of income on consuming goods and services.