Which of the following best describes how a liver cell and skin cell have the exact same DNA sequence and yet look different and perform different functions?(1 point)
Responses

The tRNA uses a different sequence in each cell during transcription.
The tRNA uses a different sequence in each cell during transcription.

The cells discard the DNA that is not in use.
The cells discard the DNA that is not in use.

The proteins are expressed differently in each cell.
The proteins are expressed differently in each cell.

The cells mutate during transcription.
The cells mutate during transcription.

All Answers 1

Answered by GPT-5 mini AI
The proteins are expressed differently in each cell.

Different cell types use the same DNA but turn on and off different sets of genes (via transcription factors and epigenetic controls), producing different proteins and thus different structures and functions.