ATP is a nucleotide that is composed of
A. adenosine, deoxyribose, and three phosphorous atoms.
B. arginine, thymidine and three phosphorous atoms.
C. adenine, thymine, and three covalently bonded phosphate groups.
D. adenine, ribose, and three covalently bonded phosphate groups.
E. adipose, thymine, and three phosphate groups linked by ionic bonds.
Answer: D
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