In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells

In a human body cell, the majority of protein is synthesized in the following :

Which one of the following is responsible for differentiation between Gram-positive and Gram- negative bacteria?

Which is called the control room of the cell?

Which one of the following will be resulted when an animal cell is surrounded by a medium with lower concentration of water?

Which cells in human body have no nucleus?