I believe lipids is what you are going for. A lipid is a macromolecule (monomer of fatty acids) that cushions organs, stores energy, and a version of it is solid at room temperature. The version of it that is solid at room temperature is called a saturated fat. Saturated fat may also be a correct answer.
Answer:
Option C . Flip-flops are very rare for phospholipids.
Explanation:
Flip-flop means that movement of phospholipds upside down. This phenomenon occur in cell membrane but very rarely. I have attached a picture for you to under stand how flip-flopping occurred.
I think it is A
You use a bar graph instead of a line graph
Should look the same as acetylferrocene