An analysis of four cell types isolated form the same organism is shown here. Based on the evidence in the table, which explanations
support the distribution of the proteins into the different cell types? Select ALL that apply.

A) The DNA in each of the four cell types is unique.
B) Only certain genes are expressed in each of the cell types.
C) Each cell makes all of the same proteins, but not the same time.
D) Each cell has different DNA mutations that occurred to produce different proteins.
E) Specific functions of each cell type are dictated by the proteins that are produced