Answer:
B
Explanation:
Nucleobases, also known as nitrogenous bases or often simply bases, are nitrogen-containing biological compounds that form nucleosides, which in turn are components of nucleotides, with all of these monomers constituting the basic building blocks of nucleic acids.
Micro molecules all contain oxygen and hydrogen Cho Cho Chon c-carbon h-hydrogen o-oxygen cho cho chon is carbs fats proteins
thats the plasma membrane. its the outside of a cell :)
hope that helped! <3
