When Henry Enters the Dentist's Office, the Sound of the Drill

question 209

Multiple Choice

When Henry enters the dentist's office, the sound of the drill makes him wince, even though he doesn't currently feel any pain. In this situation, the sound of the drill is MOST likely a(n) :

• A) conditioned stimulus.
• B) conditioned response.
• C) unconditioned stimulus.
• D) unconditioned response.

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Definitions:

Parental Strand

The original strand of DNA that serves as the template for the production of a complementary strand during DNA replication.

Eukaryotic Chromosomes

Linear structures found in the nucleus of eukaryotic cells, made up of DNA and proteins, that contain genes and function in heredity and gene expression.

Telomerase

An enzyme that adds DNA sequence repeats to the ends of DNA strands in the telomere regions, which are found at the ends of eukaryotic chromosomes. This activity can preserve the length of chromosomes and has implications in aging and cancer.

Lengthened

Describes something that has been made longer in duration or size.