A polypeptide is a chain of amino acids. The completed polypeptide chains come together to form proteins, so be careful not to get them mixed up!
Hope this helps!
Lithosphere is the correct answer
cause hydrosphere is water
and stratosphere and atmosphere are part of the air
Lipids form the bilayer of cell membrane which act as a partially permeable mmbrane of cell to control the substances moving in and out of the cell.
Answer:
Organelle (oppitional, I don't put this on my paper but you can if you want), cells, tissues,
Explanation:
It’s c Xand Y good luck sweetie