If a molecule is too big or has a charge it will not diffuse through the membrane by passive transport.
Answer:
Key Differences Between Light Microscope and Electron Microscope.
How I got it:
Following are the main differences between Light Microscope and Electron Microscope: Light Microscope uses visible light, and Electron Microscope uses electrons (beam of charged particles) to view the object.
Explanation:
science is the practical and intellectual activity encompassing the systematic studying of the behaviour and structures of the physical and natural world