How Does the Winogradsky Column Differ from Koch's Plate Media

question 50

Multiple Choice

How does the Winogradsky column differ from Koch's plate media?

• A) Koch's media creates a gradient from oxygen-rich conditions at the surface to highly reduced conditions below.
• B) The Winogradsky column is used for culturing viruses.
• C) The Winogradsky column is used for growing extremophiles.
• D) The Winogradsky column uses the kinds of nutrients that feed humans.
• E) The bacteria that Winogradsky isolated can grow only on inorganic minerals.

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Definitions:

Short Run

A period in which at least one input in the production process is fixed, limiting the ability to change production levels significantly.

Total Cost

The sum of fixed and variable costs incurred by a business in producing a certain level of output.

Short-Run Average Total Cost

Short-run average total cost is the total cost of production (fixed and variable costs) divided by the total output produced, calculated when at least one factor of production is fixed.

Economies

The large set of interrelated production and consumption activities that aid in determining how scarce resources are allocated.