CHE 315 EXAM 4 READING QUIZZES | QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH COMPLETE
SOLUTION
A monosaccharide with a ketone functional group and seven carbons _______.
a. Is the monosaccharide found in RNA but not DNA.
b. Can never exist in a cyclic form.
c. Is a ketoheptose.
d. Has a single chiral center. Answer - c. Is a ketoheptose.
Cyclization of monosaccharides ______.
a. Creates alpha and beta epimers.
b. Is irreversible.
c. Only occurs in hexoses.
d. Is the reaction which forms hemiketals or hemiacetals. Answer - d. Is the
reaction which forms hemiketals or hemiacetals.
Which reaction is not common in glucose?
a. Oxidation to a uronic acid.
b. Mutarotation.
c. Oxidation to an aldonic acid.
d. Oxidation by reducing sugars. Answer - d. Oxidation by reducing sugars.
, Which item is not associated with disaccharides?
a. Never having free anomeric carbons.
b. Formation of a ketal or acetal.
c. O-glycosidic linkages.
d. Sucrose. Answer - a. Never having free anomeric carbons.
Polysaccharides ____.
a. Are glycans.
b. Are never branched.
c. Have a fixed length.
d. Must be homopolysaccharides. Answer - a. Are glycans.
The difference between glycogen and amylopectin is ____.
a. The types of glycosidic linkages found in each,
b. How often each branches.
c. That amylopectin is found in animals, whereas glycogen is a form of starch.
d. The monosaccharides found in each. Answer - b. How often each branches.
Which characteristic is not one that is true of glycosaminoglycans?
a. They are found in the extracellular matrix.
b. They contain disaccharide repeat units.
c. They always contain sulfates.
d. They are heteropolysaccharides. Answer - c. They always contain sulfates.
What statement about proteoglycans is false?
a. They contain protein.
ANSWERS | 2026 UPDATE | WITH COMPLETE
SOLUTION
A monosaccharide with a ketone functional group and seven carbons _______.
a. Is the monosaccharide found in RNA but not DNA.
b. Can never exist in a cyclic form.
c. Is a ketoheptose.
d. Has a single chiral center. Answer - c. Is a ketoheptose.
Cyclization of monosaccharides ______.
a. Creates alpha and beta epimers.
b. Is irreversible.
c. Only occurs in hexoses.
d. Is the reaction which forms hemiketals or hemiacetals. Answer - d. Is the
reaction which forms hemiketals or hemiacetals.
Which reaction is not common in glucose?
a. Oxidation to a uronic acid.
b. Mutarotation.
c. Oxidation to an aldonic acid.
d. Oxidation by reducing sugars. Answer - d. Oxidation by reducing sugars.
, Which item is not associated with disaccharides?
a. Never having free anomeric carbons.
b. Formation of a ketal or acetal.
c. O-glycosidic linkages.
d. Sucrose. Answer - a. Never having free anomeric carbons.
Polysaccharides ____.
a. Are glycans.
b. Are never branched.
c. Have a fixed length.
d. Must be homopolysaccharides. Answer - a. Are glycans.
The difference between glycogen and amylopectin is ____.
a. The types of glycosidic linkages found in each,
b. How often each branches.
c. That amylopectin is found in animals, whereas glycogen is a form of starch.
d. The monosaccharides found in each. Answer - b. How often each branches.
Which characteristic is not one that is true of glycosaminoglycans?
a. They are found in the extracellular matrix.
b. They contain disaccharide repeat units.
c. They always contain sulfates.
d. They are heteropolysaccharides. Answer - c. They always contain sulfates.
What statement about proteoglycans is false?
a. They contain protein.
