A Sample of the Same DNA Is Placed into Each

question 27

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 following figure.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:

Noncash Assets

Assets that are not in the form of cash or easily convertible into cash, such as property, plant, and equipment.

Total Capital

The sum of a company's debt and equity, representing the total funds available for the business to use.

Partners' Equity

The owners' claim or interest in the assets of a partnership, after all liabilities have been subtracted.

Capital Account

An account used in economics and finance to track the net changes in a nation's assets and liabilities or a company's equity provided by shareholders and retained earnings.