transcription

RNA polymerase

promoter site

transcription bubble

consensus sequence

sigma (σ) subunit

riboswitch

rho (ρ) protein

carboxy-terminal domain (CTD)

TATA box

transcription factor

enhancer

small nucleolar ribonucleoprotein (snoRNP)

pre-mRNA

5′ cap

poly(A) tail

microRNA

RNA editing

RNA splicing

spliceosome

small nuclear RNA (snRNA)

small nuclear ribonucleoprotein particle (snRNP)

alternative splicing

catalytic RNA (ribozyme)

self-splicing