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DNA is made of repeating units called

Correct Answer: Nucleotides

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.


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