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DerKrebs [107]
3 years ago
10

DNA is composed of repeating structural units called

Biology
2 answers:
Morgarella [4.7K]3 years ago
6 0

Answer: nucleotides

Explanation:  

The basic repeating unit of nucleic acids are known as nucleotides. A nucleotide consists of three distinct chemical groups, a 5-carbon sugar (ribose or deoxyribose), a nitrogen-rich base - (cytosine (C), guanine (G), adenine (A), thymine (T) in DNA or uracil (U) instead of T (in RNA), and phosphate.

bonufazy [111]3 years ago
5 0

Answer:

inner- nucleic acids or nucleotides.

Explanation:

the outer part of dna is a sugar phosphate backbone

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