Which of the following best describes how a liver cell

Question

and skin cell have the exact same DNA sequence and
yet look different and perform different functions?
(1 point)
The tRNA uses a different sequence in
each cell during transcription.
The cells mutate during transcription.
The cells discard the DNA that is not in
use.
The proteins are expressed differently in
each cell.

Answer 1

The proteins are expressed differently in each cell.