Which of the following statements about the assembly of nucleotides in a molecule of deoxyribose nucleic acid $(DNA)$ is correct
  • A
    A pentose of one unit connects to a pentose of another
  • B
    A pentose of one unit connects to the base of another
  • C
    A phosphate of one unit connects to a pentose of another
  • D
    A phosphate of one unit connects to the base of another
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