A Segment of DNA in a Test Tube Replicates and Produces

question 15

Multiple Choice

A segment of DNA in a test tube replicates and produces many copies of itself.What was probably in the test tube that enhanced this process?

• A) repair enzymes
• B) DNA polymerase
• C) plasmids
• D) a mutagen

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Definitions:

Lanoxin Pediatric Elixir

A liquid form of the medication digoxin, used to treat heart failure and heart rhythm problems in children.

Loading Dose

An initial higher dose of a drug to quickly achieve a therapeutic level in the body.

Maintenance Dose

The dose of medication needed to maintain a desired level of the drug in the bloodstream after the initial therapeutic effect is achieved.

Heart Failure

A chronic condition where the heart is unable to pump sufficiently to maintain blood flow to meet the body’s needs.