Respuesta :

Part a: Plasma Membrane
part b: The basic function of the cell membrane is to protect the cell from its surroundings. 
part c: and hang on one second for this last part, ill answer just need to find some note, will take like 1min.

Hi there!

Let's do letter B - the nucleus.

Part A - We have selected the nucleus
Part B - It is the powerhouse of the cell. It controls cell functions and stores information long-term.
Part C - In cell y, there are chloroplasts, which means that cell y can perform photosynthesis, while cell x cannot.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!