Which Is Incorrect About Purines

question 4

Multiple Choice

Which is incorrect about purines?

• A) They are only found in DNA, not in RNA.
• B) They are nitrogenous bases.
• C) They are always paired with a speci?c pyrimidine.
• D) They include adenine and guanine.
• E) They are found within nucleotides.

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Definitions:

Telangiectasis

A condition characterized by the dilation of small blood vessels near the surface of the skin or mucous membranes, resulting in visible red or purple lines.

Adult Heartbeat

The typical heartbeat rate for a healthy adult, ranging between 60 to 100 beats per minute.

Septum

A partition or wall separating two chambers, such as in the heart or nose.

Ventricle

A chamber of the heart or brain, in the heart it is one of two large chambers that collect and expel blood, in the brain it produces and circulates cerebrospinal fluid.