Stem cells are cells that are undifferentiated. This means that stem cells have not yet developed _[blank]_.


protective cell membranes

a nuclear membrane

a full set of DNA

their certain functions

Respuesta :

Answer:

their certain functions

Explanation:

the protective cell membranes are present in the stem cells, so are the nuclear membrane and the full set of DNA, but their certain functions are not yet developed because they are undifferentiated cells