What two compound groups are always the same in a nucleotide?

1 Answer
Al E.
Jun 8, 2018

Depending on whether we're talking about a deoxynucleotide or nucleotide,

  1. The sugar, deoxyribose or ribose (respectively)
  2. The phosphate group(s)

The nitrogenous base is variable, and contributes to the genetic code that DNA serves as.

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