Proteins are polymers of molecules called amino acids, some contain thousands. Lipids are formed when a glycerol molecule combines with compounds called fatty acids, therefore they are not polymers because they contain one molecule and are not macromolecules.
<span>The edge of a continent where the ocean water is shallow is called the continental shelf. T</span>he continental shelf is the area of seabed around a large landmass where the sea is relatively shallow compared to the open ocean.
A string of amino acids attached together is called a <u>Polypeptide Chain(S)</u>
The answer is B. Axial skeleton