The answer is A cuz a food chain starts with solar energy
The structure of plasma membrane makes it selectively permeable allowing it to regulate the passage of substances into and out of the cell. Small nonpolar molecules can easily across the phospholipid bilayer of plasma membrane because it is hydrophobic. Polar molecules and ion cannot easily across the hydrophobic portion of plasma membrane because it is hydrophilic. Polar molecules and ions usually across the plasma membrane with the help of transport proteins.
Answer:
Replacing a lipid containing 18 C fatty acids with one containing 16 C fatty acids.
Hey there!
The correct answer to your question is: Skeletal System
The Skeletal System has several functions. It supports the body, permits movement, and protects our organs from damage.
Thank you!
