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Deoxyribonucleic acid (DNA) is the carrier of genetic information, including for all known living organisms. The only known exceptions are RNA viruses.

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What does 5' and 3' mean in DNA and RNA strands?

In any nucleic acid, RNA or DNA 3' refers to the 3rd carbon of sugar ribose or deoxyribose which is linked to OH group and 5' linked to a triple phosphate group. … So these 5' and 3' group provide a directional polarity to the DNA or RNA molecule. Now a good question would be y 3' and 5' not 3 and 5. …
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