Multiple choice

Cutin is a waxlike, water-repellent material present in the walls of some plant cells. It is a type of _______.

  1. vinyon

  2. vinylon

  3. polyester

  4. nylon

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Polyester is a category of polymers which contain the ester functional group in their main chain. Polyesters include naturally-occurring chemicals, such as in the cutin of plant cuticles, as well as synthetics through step-growth polymerization such as polycarbonate and polybutyrate.