A Sample of the Same DNA Is Placed into Each

question 66

Multiple Choice

A sample of the same DNA is placed into each of two test tubes. Each tube is treated with a restriction enzyme and the resulting fragments are separated by gel electrophoresis producing the gel shown in the figure below. Which of the following explains why the pattern of DNA fragments differs in these two samples?

• A)Different restriction enzymes must have been used in the different tubes.
• B)One tube was heated, but the other tube was not.
• C)Ligase was added to one of the tubes, but not the other.
• D)The restriction enzyme added to the tubes cut DNA at more than one sequence.

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Definitions:

Short Run

A period in which at least one factor of production is fixed, limiting the ability of a business to expand its output.

Isoquants

A curve representing all combinations of inputs that give the same level of output.

Production Function

An equation that describes the relationship between inputs and the maximum output that can be produced.

Slope

The rate at which a line rises or falls, indicating the steepness of a line on a graph, often representing change in variables in economics.