Answer:
B. Protein is composed of DNA which is produced in the cell
Explanation:
Lipids are found in cell membranes in double layer which is called "Lipid-bilayer".
So, option A is your answer.
Hope this helps!
Birds and animals and maybe the bony fish.
Answer - Hypothalamus
Reasoning - In that area which is the hypothalamus it has concentrated nerve areas where its function can be (autonomic) such as temp, homeostatic, and basic remembrance. Just like what your reading now your automatically recalling what your reading.