promoter

initiation

DNA

termination

protein

DNA

introns

RNA

promoter

initiation

DNA

termination

exons

prokaryotes

introns

eukaryotes

protein

DNA

introns

RNA

The template for transcription is
The product of transcription is

adenine
(A)

guanine
(G)

thymine
(T)

cytosine
(C)

uracil
(U)