You Have Digested a Molecule of DNA and Want to Identify

question 47

Multiple Choice

You have digested a molecule of DNA and want to identify a specific fragment of interest. The DNA is subjected to gel electrophoresis, but you get two bands that are very close in size. What could you use to determine which band is the correct one?

• A) southern blot
• B) western blot
• C) northern blot
• D) eastern blot
• E) stain with ethidium bromide

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Definitions:

Four-Chambered Pump

An analogy often used to describe the human heart, highlighting its four compartments and function in circulating blood.

Stethoscope

A medical instrument used to listen to the sounds made by the heart, lungs, and other organs in the body.

Triglyceride

A type of fat (lipid) found in your blood, originating from foods or produced by the body, used for energy or stored as fat.

Venipuncture

The process of puncturing a vein with a needle to withdraw blood or administer medication.