It is C beacuse you would produce large quantities of the neurotransmitter to see if it could be used as a potential medication.
Lipids are found in cell membranes in double layer which is called "Lipid-bilayer".
So, option A is your answer.
Hope this helps!
Adenine,guanine,cytosine,and uracil
Answer:
You can determine something is living by classifying it if it has the seven characteristic of life
