The answer is B, it is the only answer that talks about electric signals.
Long answer here!
In diffusion, particles move from an area of higher concentration to one of lower concentration until equilibrium is reached. In osmosis, a semipermeable membrane is present, so only the solvent molecules are free to move to equalize concentration.
Complete protein, also known as whole protein is a type of protein or source of protein which contains all nine essential amino acids in appropriate amounts. Foods with complete protein includes animal meat, eggs, grains, whey protein and legumes.
Answer:
true is the correct answer