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Types of RNA
Types of RNA strands
9
Biology
Professional
03/16/2012

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Term
mRNA
Definition
messenger RNAs, code for proteins
Term
rRNAs
Definition
ribosomal RNAs, form the basic structure of the ribosome and catalyze protein synthesis
Term
tRNAs
Definition
Transfer RNAs, central to protein synthesis as adaptors between mRNA and amino acids
Term
snRNAs
Definition
Small nuclear RNAs, function in a variety of processes, including the splicing of pre-mRNA
Term
snoRNAs
Definition
Small nucleolar RNAs, used to process and chemically modify rRNAs
Term
ScaRNAs
Definition
Small cajal RNAs, used to modify snoRNAs and snRNAs
Term
miRNAs
Definition
microRNAs, regulate gene expression typically by blocking translation of selective mRNAs
Term
siRNAs
Definition
Small interfering RNAs, turn off gene expression by directing degradation of selective mRNAs and the establishment of compact chromatin structures
Term
Other noncoding RNAs
Definition
Function in diverse cell processes, including telomere synthesis, X-chromosome inactivation, and the transport of proteins into the ER
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