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UkoKoshka [18]
4 years ago
11

Which of the following is considered a xanthine?

Biology
1 answer:
telo118 [61]4 years ago
7 0
The answer is C. theophylline. Xanthine is a kind of purine base found in many human body tissues and fluids and in other organisms. Theophylline is a kind of methylated xanthine.
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