The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
is a form of rheumatism that causes chronic muscle pain.
Answer:
PMR (Polymyalgia Rheumatica) - This is a condition that causes muscle stiffness,aching and pain in the tendons. It also affects the muscles, tissues and ligaments around the joints in the hips, lower back, neck,shoulder.
Explanation:
Answer: I believe it was the Cenozoic period
Explanation:
