Which Is Found in a DNA Molecule but Not in an RNA

question 183

Multiple Choice

Which is found in a DNA molecule but not in an RNA molecule?

• A) Adenine
• B) Phosphate
• C) Ribose sugar
• D) Deoxyribose sugar
• E) Purine

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Definitions:

Spontaneous Recovery

A phenomenon in learning and conditioning where previously extinguished responses reappear after a pause, without further conditioning.

Extinction

In psychology, the gradual weakening of a conditioned response that results in the behavior decreasing or disappearing.

Conditioned Purring Response

A learned response where a cat purrs following specific stimuli as a result of conditioning.

Spontaneous Recovery

After a pause in exposure to the conditioned stimulus, a once suppressed conditioned response emerges again.