a biologist is studying a structure that is made up of two layers of phospholipids. what is she most likely…

a biologist is studying a structure that is made up of two layers of phospholipids. what is she most likely studying?\ndna molecules\ncell membranes\nfats\nwax
Answer
Answer:
B. cell membranes
Brief Explanations:
Cell membranes are composed of a phospholipid - bilayer. DNA is made of nucleotides, fats are triglycerides, and waxes are esters of fatty acids and long - chain alcohols.