Multiple choice Which of the following compounds has a random, amorphous structure ? Hemicellulose Pectin Lignin Microfibrils Reveal answer Fill a bubble to check yourself A Correct answer Explanation A hemicellulose is a heteropolymer present in almost all plant cell walls. It has a random, amorphous structure with little strength. It is easily hydrolyzed by dilute acid or base as well as myriad hemicellulase enzymes.