Which of the Following Is True of Nitrogenous Bases

question 178

Multiple Choice

Which of the following is true of nitrogenous bases?

• A) Cytosine is the only purine.
• B) Adenine is the only purine.
• C) Adenine and thymine are purines.
• D) Cytosine and thymine are purines.
• E) Adenine and guanine are purines.

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