Answer: they are distinguished from one another <span>by the number of fatty acids attached to the glycerol backbone. </span> <span>A monoglyceride is a molecule formed by a glycerol backbone and one
fatty acid covalently bonded to it through ester linkages. </span>A diglyceride is a molecule formed by a glycerol backbone and two fatty acid chains covalently bonded to it through ester linkages. A tryglyceride is a molecule formed by a glycerol backbone and three fatty
acid chains covalently bonded to it through ester linkages.
2n because when 2 gametes of n amount of DNA fertilise together they make an organism that is similar to its parents and have the total amount of DNA as 2n, just like parents.