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comprised of many individual units of nucleic acid
'''Ribonucleic acid''' (RNA) is a molecule found in all cells, comprised of many individual units of nucleic acid. It differs from Deoxyribonucleic acid ([[DNA]]) in that it only contains a single, not double strand, and substitutes [[uracil]] for [[thymine]]. The primary role of RNA is to transfer a copy of the information coded in DNA to a [[ribosome]] to be expressed as a protein. It is also a component of the ribosome itself.
'''Ribonucleic acid''' (RNA) is a molecule found in all cells, comprised of many individual units of [[nucleic acid]]. It differs from DNA ([[deoxyribonucleic acid]]) in that it only contains a single, not double strand, and substitutes [[uracil]] for [[thymine]]. The primary role of RNA is to transfer a copy of the information coded in DNA to a [[ribosome]] to be expressed as a protein. It is also a component of the ribosome itself.
The polio virus is an example of an organism which contains only RNA to carry its genetic information.
The polio virus is an example of an organism which contains only RNA to carry its genetic information.
[[Category:Genetics]]
[[Category:Genetics]]