Answer:
1: Plants depend on cohesion.
What is the question? I don't see the question.
If an atom is in its natural state the number of protons will equal the number of electrons. This is because an atom naturally wants to be "even" and since protons have a positive charge, the atom will have the same number of electrons (negative) so that they cancel each other out.
Well all organisms do this! We are left with plant and Fungi.
A) Membrane proteins are always needed.