3
Q:
A) Nucleotides | B) Ribozomes |
C) Peptides | D) Aminoacids |
Answer: A) Nucleotides
Explanation:
Explanation:
DNA is a very long chain polymer made up of thousands of repeating units called nucleotides.
Nucleotide Unit is composed of a phosphate group, a pentose sugar, and a nitrogenous base.
The sides of the DNA ladder are made up of alternating deoxyribose sugar -- phosphate group units.