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.
Correct Answer:
Verified
Correct Answer:
Verified
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