Multiple choice

Which units are linked in very large numbers to make DNA a polymer?

  1. Nucleosides

  2. Nucleotides

  3. Nucleic acids

  4. Phosphate groups
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DNA is a polymer made of repeating units called nucleotides, which consist of a sugar, a phosphate, and a nitrogenous base.

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