Option B would be correct. Osmosis is the movement of water molecules from higher to lower concentration, while Diffusion is the movement of higher to lower particle concentration.
~Lauv
B .a cell tells other cells that danger is near
Answer:
Amino acids
Explanation:
Amino acids are the building blocks of proteins; they are composed of an R group(elements within this section of the amino acid can vary depending on the R group), an amino group, and a carbonyl group.
