Biochemistry ACS Final Exam
Questions and Answers 100%
PASS
What is the D configuration of a sugar in a Fisher projection?—ANSWER-
chyrol carbon furthest from the carboxyl group
hydroxyl on right
What is the L configuration of a sugar in a Fisher projection?—ANSWER-
hydroxyl on left
What is the difference between glycogen and amylopectin?—ANSWER-
glycogen- has branches about every 10 residues (more highly branched)
amylopectin- has branches about every 25
What is amylose made up of?—ANSWER-glucose
What makes up starch?—ANSWER-amylose
amlyopectin
, What is a glycosidic bond?—ANSWER-links two monosaccharides together
at points 1 and 4
What is the difference between an alpha(1-4) and beta(1-4) linkage?—
ANSWER-alpha: when the oxygen is pointed down in a glycosidic bond
beta: when the oxygen is pointed up in a glycosidic bond
What is the definition of a carbohydrate?—ANSWER-all have hydroxyl and
carbonyl functional groups
Difference between aldose and ketose—ANSWER-aldose has an aldohyde
ketose has a ketone
What makes up sucrose?—ANSWER-fructose and glucose monosaccharides
What makes up lactose?—ANSWER-glucose and galactose monosaccharides
What makes up mannose?—ANSWER-two glucose monosaccharides
What are lipids?—ANSWER-soluble in other nonpolar solvents (not water)
What are triglycerides composed of?—ANSWER-glycerol and three fatty
acids
What is saponification?—ANSWER-base hydrolysis of a triglyceride or other
fat
strong base is added
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Questions and Answers 100%
PASS
What is the D configuration of a sugar in a Fisher projection?—ANSWER-
chyrol carbon furthest from the carboxyl group
hydroxyl on right
What is the L configuration of a sugar in a Fisher projection?—ANSWER-
hydroxyl on left
What is the difference between glycogen and amylopectin?—ANSWER-
glycogen- has branches about every 10 residues (more highly branched)
amylopectin- has branches about every 25
What is amylose made up of?—ANSWER-glucose
What makes up starch?—ANSWER-amylose
amlyopectin
, What is a glycosidic bond?—ANSWER-links two monosaccharides together
at points 1 and 4
What is the difference between an alpha(1-4) and beta(1-4) linkage?—
ANSWER-alpha: when the oxygen is pointed down in a glycosidic bond
beta: when the oxygen is pointed up in a glycosidic bond
What is the definition of a carbohydrate?—ANSWER-all have hydroxyl and
carbonyl functional groups
Difference between aldose and ketose—ANSWER-aldose has an aldohyde
ketose has a ketone
What makes up sucrose?—ANSWER-fructose and glucose monosaccharides
What makes up lactose?—ANSWER-glucose and galactose monosaccharides
What makes up mannose?—ANSWER-two glucose monosaccharides
What are lipids?—ANSWER-soluble in other nonpolar solvents (not water)
What are triglycerides composed of?—ANSWER-glycerol and three fatty
acids
What is saponification?—ANSWER-base hydrolysis of a triglyceride or other
fat
strong base is added
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
