Answer;
-Made of nucleotides
Explanation;
The part B of the Venn diagram shows similarity between the RNA and DNA. -DNA and RNA are nucleic acids of nitrogen-containing bases joined by sugar-phosphate backbone. They are made up of monomers called nucleotides. Both have 3 nitrogenous bases: Adenine, Cytosine and Guanine. They also have a phosphate groups in their nucleotides.
-DNA and RNA also differ in a number of ways which includes; RNA is a single-stranded where as DNA is double stranded, DNA has Thymine, where as RNA has Uracil, etc.
