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Look at the structure below.
Image
Structure X includes a deoxyribose sugar, a phosphate group, and a nitrogenous base. What is this structure called?
A.
sugar-phosphate backbone
B.
hydrogen bond
C.
complementary base pair
D.
nucleotide
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D. nucleotide
A nucleotide is made of a sugar (deoxyribose in DNA), a phosphate group, and a nitrogenous base. The sugar-phosphate backbone is the linked chain of nucleotides; hydrogen bonds form between complementary base pairs.
A nucleotide is made of a sugar (deoxyribose in DNA), a phosphate group, and a nitrogenous base. The sugar-phosphate backbone is the linked chain of nucleotides; hydrogen bonds form between complementary base pairs.
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