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Thursday, April 3,2014

RNA definitions

By Caitlin Rockett

RNA (ribonucleic acid) – large biological molecules that perform vital roles in the coding, decoding, regulation and expression of genes

DNA (deoxyribonucleic acid) – molecule that encodes the genetic instructions used in the development and functioning of all known living organisms and many viruses

Nucleotides – organic molecules that serve as the subunit of nucleic acids like DNA and RNA

mRNA (messenger RNA) – family of RNA molecules that convey genetic information from DNA to the ribosome, where amino acids are assembled into proteins

RNAi (ribonucleic acid interference) – a biological process in which RNA molecules inhibit gene expression, typically by causing the destruction of specific messenger RNA molecules

miRNA (micro ribonucleic acid) – a small, non-coding molecule of RNA founding plants, animals and some viruses, which functions in regulation of gene expression

siRNA (small interfering ribonucleic acid) – sometimes known as silencing RNA, is a class of double stranded RNA molecules, and it most notable for its role in the RNAi pathway, where it interferes with the expression of specific genes


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