Answer:
here you go
Explanation:
Atomic Number (Z) = Mass Number (A) - Number of Neutrons An atom has 5 protons, 5 electrons and 6 neutrons The atomic number = number of protons = number of electrons = 5 The mass number = 5 protons + 6 neutrons = 11
Because the cell membrane (plasmamembrane) is a membrane. Very simply put, you can think of it like a piece of cloth. If you have a piece of cloth, water can move through the small holes, but something large, like e.g. a piece of cheese cannot.
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