Answer:
Cell wall and chloroplasts, if you're comparing them to plant cells.
Explanation:
Plant cells have a harder protective wall around them, harder than the cell membrane. The animal cell doesn't have this.
Chloroplasts are organelles that takes the sunlight and turns it into energy for the plant cell. Animal cells don't have this for obvious reasons. We get our energy from food, not the sun.
<span>The liver is the primary site of production of non-essential amino acids in humans, these are the amino acids that the body synthesizes without having to have a direct diet. Some non-essential amino acids are alanine, arginine, asparagine, aspartic acid, taurine, and tyrosine.</span>
It is shaped specifically for a messenger molecule to fit in (like a lock and key) and when the messenger molecule binds to the receptor, it starts a reaction for a cellular process in the cell
The other name for carbon dioxide is carbonic acid gas