Fill in the blank with the appropriate match. Question 8 options: is a homopolymer composed of alpha(1-4)-linked N-acetyl-D-glucosamine residues that is the principle structural component of the exoskeleton of various groups of invertebrates. The monosaccharides alpha-D-galactose and beta-D-galactose are . The sugars are monosaccharides in which a hydroxyl group is replaced with a hydrogen atom. The main component of a bacterial cell wall is a . An example of a homopolysaccharide in liver and muscle is . The smallest aldose is . The disaccharide commonly found in dairy products is . 1. deoxy 2. peptidoglycan