What is meant by the "reducing end" of a polysaccharide?
a. This is the carbonyl function of any hexose.
b. The reducing end is the end of a linear polysaccharide that has a free alcohol group.
c. The reducing end is the first sugar in the polysaccharide and is only found in glycogen.
d. This is the C1 position of the terminal aldose, which is in equilibrium with the aldehyde.

Which statement is TRUE about cellulose?
a. cellulose is similar to glycogen in structure, but has no branches.
b. cellulose has beta 1?6 branches and is found in plant cell walls.
c. cellulose has the same type of glycosidic bonds as chitin.
d. cellulose has beta 1?3 glycosidic bonds, and is highly H-bonded to form a sheet structure.

Which of the following characteristics is not found in peptidoglycan?
a. the "peptido-" parts of peptidoglycan are large, core proteins that interact with the peptidoglycan.
b. peptidoglycan has beta 1?4 glycosidic bonds.
c. the "peptido-" parts of peptidoglycan are peptide crosslinking sections that covalently bind the peptidoglycan strands together.
d. the "glycan" part of peptidoglycan is a long glycan strand of alternating amino sugars (two different ones).