the purpose of a cell membrane is to
The cell membrane gives the cell its structure and regulates the materials that enter and leave the cell. Like a drawbridge intended to protect a castle and keep out enemies, the cell membrane only allows certain molecules to enter or exit.
The cell membrane or cell wall
Answer:
Magnification = Actual length of image / Actual length of object
Actual length of object = 0.02mm
Actual length of image = 2mm
Magnification = 2mm / 0.02mm
= 100
Hope this helps