Which of the Following Types of DNA Are Often Supercoiled

question 18

Multiple Choice

Which of the following types of DNA are often supercoiled?

• A)extremely long linear DNA, such as seen in human chromosomes
• B)very short linear DNA
• C)circular DNA
• D)DNA molecules that contain both circular and linear regions
• E)all of the above

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Definitions:

Counterconditioning

Counterconditioning is a therapy technique used to replace negative or harmful responses to a stimulus with positive ones.

Systematic Desensitization

A behavioral therapy technique used to reduce phobic reactions through gradual exposure to the feared object or situation.

Spontaneous Recovery

The reappearance of a previously extinguished conditioned response after a period of time without exposure to the conditioned stimulus.

Mental Representation

An internal image or concept of an external reality or abstract idea.