You Observe a Microbiologist Examining Two Plates and Notice the Pattern

question 10

Multiple Choice

You observe a microbiologist examining two plates and notice the pattern of colonies are nearly identical with the exception of a few colonies that are absent on one of them. The plates likely were produced by

• A) positive selection culturing.
• B) replica plating.
• C) pour plating.
• D) streak plating.
• E) the Ames test.

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Definitions:

Marginal Social Cost

The total cost to society of producing an additional unit of a good or service, including both private costs and any externalities.

Nonexcludable

A characteristic of public goods where it is not possible to prevent individuals from using the good or service, regardless of whether they have paid for it.

Free-rider Problem

A situation in which some individuals benefit from resources or services without paying for them, leading to underprovision of those goods or services.

Marginal Private Benefit

The additional benefit received by the consumer or producer from consuming or producing one more unit of a good or service.