D thats the only answer that is internal
Introns are parts of genes that do not directly code for proteins. (2)
Exons are parts of DNA that are converted into mature messenger RNA (mRNA). (6) The process by which DNA is used as a template to create mRNA is called transcription.
Answer: Much like the processes of DNA replication and transcription, translation consists of three main stages: initiation, elongation, and termination. Initiation takes place with the binding of a ribosome to an mRNA transcript.
ADP rearranges to become ATP. C. With an input of energy, ADP combines with a phosphate group to become ATP.