Respuesta :
Answer:
Cell membrane. ... Enclosed by this cell membrane (also known as the plasma membrane) are the cell's constituents, often large, water-soluble, highly charged molecules such as proteins, nucleic acids, carbohydrates, and substances involved in cellular metabolism.
Explanation:
Hope this helps :)
Answer:
it helps protect the cell from its surroundings,
in other words, think of it as the walls of your house
Explanation: