Answer:
where are the choices????
A membrane lipid is a compound which belongs to a group of (structurally similar to fats and oils) which form the double-layered surface of all cells (lipid bilayer). The three major classes of membrane lipids are phospholipids, glycolipids, and cholesterol.
I would say D narrow temperature. Most other planets are too hot or cold to sustain life.
Lowercase b is the allele that goes in 3
