Your profile shows a degree in microbiology, hopefully this topic was covered. I'm concerned that someone with an advanced degree lacks resources to answer this sort of basic question.
DNA is double-stranded, forming a double helix, while RNA is usually single-stranded. The sugar in DNA is deoxyribose, whereas RNA contains ribose. Furthermore, DNA uses the bases adenine, thymine, cytosine, and guanine, while RNA uses adenine, uracil, cytosine, and guanine
DNA is a helical structure composed from double strands.
While RNA is a single strands.
2- DNA contains nitrogen bases: adenine, guanine, cytosine and thymine.
While RNA contains nitrogen bases: adenine, guanine, cytosine and uracil.
3- DNA mostly exist in nucleus.
While RNA exist in nucleus and cytoplasm.
4-DNA contains deoxyribose sugar.
While RNA contains ribose sugar.
I think you have got your answer from above, alternatively you can go through any Biochemistry book which deals with Macromolecules Structure and Function specifically Nucleic acids.
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