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The nitrogenous bases cytosine and thymine are a. purines. b. a phosphate group. c. a sugar group. d. pyrimidines.
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Nov 14, 2017
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The nitrogenous bases cytosine and thymine are
a. purines.
b. a phosphate group.
c. a sugar group.
d. pyrimidines.
Chemistry
high-school
James Elegan
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Purines are adenine and guanine. So the answer should be D (Pyrimidines). besides, phosphate group and pentose sugar are a part of a nucleotide.
Mhttk
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Nov 19, 2017
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Mhttk
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