Difference between revisions of "RNA"
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| − | A '''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 in is to transfer a copy of the information coded in DNA to a [[ribosome]] to be expressed as a protein, using a form of RNA known as messenger RNA [[mRNA]]. It is also a component of the ribosome itself. | + | A '''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 in is to transfer a copy of the information coded in DNA to a [[ribosome]] to be expressed as a protein, using a form of RNA known as messenger RNA ([[mRNA]]). 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]] | ||
Revision as of 14:42, August 22, 2007
A 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 in is to transfer a copy of the information coded in DNA to a ribosome to be expressed as a protein, using a form of RNA known as messenger RNA (mRNA). 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.
