1 is nucleic acids and 2 is nucleic acids
Answer:
The phosphate groups allow the nucleotides to link together, creating the sugar-phosphate backbone of the nucleic acid while the nitrogenous bases provide the letters of the genetic alphabet. These components of nucleic acids are constructed from five elements: carbon, hydrogen, oxygen, nitrogen, and phosphorous.
Explanation:
<span>The lowest quantity of energy that the reacting species must possess in order to undergo a specified reaction.</span>
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