Multiple choice Which of the following is commonly called a polyamide? Rayon Orion Terylene Nylon Reveal answer Fill a bubble to check yourself D Correct answer Explanation Nylon is a polyamide because it contains amide bonds (-CO-NH-) linking the monomer units. Rayon is regenerated cellulose, Orion is a brand of acrylic, and Terylene is polyester (polyethylene terephthalate).