Which of the Following Is True of Purines

question 48

Multiple Choice

Which of the following is true of purines?

• A)Cytosine is a purine.
• B)Adenine's bonding to thymine is stronger than is guanine's to cytosine.
• C)Purines have a double-ringed structure.
• D)Both adenine and thymine are purines.
• E)Purines bind readily to deoxyribose but not to ribose.

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