Of the Five Bases Found in Nucleic Acids, Which Are

question 90

Multiple Choice

Of the five bases found in nucleic acids, which are purines and which are pyrimidines?

• A)Pyrimidines = thymine and uracil : Purines = cytosine, adenine and guanosine
• B)Pyrimidines = cytosine, adenine and guanosine: Purines = thymine, and uracil
• C)Pyrimidines = cytosine, thymine and uracil : Purines = adenine and guanosine
• D)Pyrimidines = cytosine and uracil : Purines = adenine, thymine and guanosine
• E)Pyrimidines = adenine and guanosine: Purines = cytosine, thymine, and uracil

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Definitions:

Partial Report Method

A research technique used in cognitive psychology to study the capacity and duration of sensory memory by having subjects recall a subset of stimuli.

Sensory Memory

The shortest-term element of memory, it allows individuals to retain impressions of sensory information after the original stimuli have ended.

Sensory Memory

The shortest-term element of memory, which is the ability to retain impressions of sensory information after the original stimuli have ended.

Sperling

Best known for his research on the capacity and duration of human visual memory, particularly through his partial report technique.