Answer:
I think it's this one: Melanie can talk while riding her bike, but she can't sing.
The cell membrane is the lipid bilayer surrounding the entire cell.The nuclear membrane, on the other hand,surrounds the nucleus. On the contrary, the nuclear membrane is not a continuous sheet but is made of a series of vesicles that come together to enclose the nucleus.
Useing the bathroom you gotta go when ya gotta go