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Both DNA and RNA are composed of repeating units of nucleotides. Each nucleotide consists of a sugar, a phosphate and a nucleic acid base. The sugar in DNA is deoxyribose. The sugar in RNA is ribose, the same as deoxyribose but with one more OH (oxygen-hydrogen atom combination called a hydroxyl). This is the biggest difference between DNA and RNA. Another difference is that RNA molecules can have a much greater variety of nucleic acid bases. DNA has mostly just 4 different bases with a few extra occasionally. The difference in these bases (between DNA and RNA) allows RNA molecules to assume a wide variety of shapes and also many different functions. DNA, on the other hand, serves as a set of directions and that's about all (but that's absolutely necessary!).

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What do DNA and RNA have that are the same?

Neuclaic acid


Which is longer a strand of RNA or a strand of DNA?

Normally DNA and RNA are the same length. However RNA has only one half of the two usually duplicate genetic strands of DNA


What are the bases for RNA?

The bases for RNA are Adenine, Guanine, Uracil and Cytosine. A, G and C are exactly the same as in DNA. Uracil in RNA replaces Thymine in DNA.


Do DNA and RNA have the same nitrogenous bases?

No, DNA and RNA do not have the same nitrogenous bases. DNA contains adenine (A), thymine (T), cytosine (C), and guanine (G), while RNA contains adenine (A), uracil (U), cytosine (C), and guanine (G).


What is the nitrogen base in RNA that is not found in DNA?

Uracil is in RNA and Thyramine is in DNA, the other nitrogen bases are the same In RNA Adenine is complementary to Uracil and Guanine is complementary to cytocine In DNA Adenine is complementarty to Tyramine and Guanine is complentary to cytocine


Did RNA and DNA form at the same time?

yes, in about 1960


What enzyme transcribes DNA?

The enzyme that transcribes the DNA into RNA is called RNA polymerase.


What is the name of the nucleotides have no DNA and no RNA?

Nucleotides do not have DNA or RNA. DNA and RNA are composed of nucleotides.


What are 2 ways DNA is different from DNA?

DNA is the same thing as DNA. If you mean RNA, that's a whole nother ball game.


What is the substance in RNA but not DNA?

An uracil base is in RNA but not in DNA


What base does RNA have that DNA does not have?

RNA has the base uracil that DNA does not have.


What are the similarities between rna polymerase and DNA polymerase?

Both RNA and DNA form in the same manner. They add bases to the 3' end of the base to form a polymer.