Cells in different organs, such as the brain and the heart, have different functions because
Athe same DNA molecule is expressed differently.
Bthere is a mutation in the gene.
Cthe DNA in the cells is different.
Done has DNA and the other has RNA.
Athe same DNA molecule is expressed differently.
Bthere is a mutation in the gene.
Cthe DNA in the cells is different.
Done has DNA and the other has RNA.