Biology

The correct answer is: S (Sulfur).

 

Here's why:

Nucleic acids, such as DNA and RNA, are made up of several key elements, which include:

1.C (Carbon): Found in the sugar molecule and the nitrogenous bases of nucleotides.

 

2.P (Phosphorus): Found in the phosphate group that links nucleotides together in the backbone of the nucleic acid strand.

 

3.N (Nitrogen): Fou...