<span>The synthesis of proteins takes two
steps: transcription and translation. Transcription takes the
information encoded in DNA and encodes it into mRNA, which heads out of
the cell's nucleus and into the cytoplasm. During translation, the mRNA
works with a ribosome and tRNA to synthesize proteins.</span>
Chemical changes are not usually physical so you can’t see them I guess so I would put D
Answer: Look at the image bellow because I couldn't add an answer due to a glitch. Hope this helps!