Biochemistry ACS Final Exam
Biochemistry
ACS Final Exam
1/9
, Biochemistry ACS Final Exam
1. What is the D configuration of a sugar in a Fisher projection?: chyrol
carbon furthest from the carboxyl group
hydroxyl on right
2. What is the L configuration of a sugar in a Fisher projection?: hydroxyl on
left
3. What is the difference between glycogen and amylopectin?: glycogen-
has branches about every 10 residues (more highly branched)
amylopectin- has branches about every 25
4. What is amylose made up of?: glucose
5. What makes up starch?: amylose
amlyopectin
6. What is a glycosidic bond?: links two monosaccharides together at points 1
and 4
7. What is the difference between an alpha(1-4) and beta(1-4) linkage?:
alpha: when the oxygen is pointed down in a glycosidic bond
2/9
Biochemistry
ACS Final Exam
1/9
, Biochemistry ACS Final Exam
1. What is the D configuration of a sugar in a Fisher projection?: chyrol
carbon furthest from the carboxyl group
hydroxyl on right
2. What is the L configuration of a sugar in a Fisher projection?: hydroxyl on
left
3. What is the difference between glycogen and amylopectin?: glycogen-
has branches about every 10 residues (more highly branched)
amylopectin- has branches about every 25
4. What is amylose made up of?: glucose
5. What makes up starch?: amylose
amlyopectin
6. What is a glycosidic bond?: links two monosaccharides together at points 1
and 4
7. What is the difference between an alpha(1-4) and beta(1-4) linkage?:
alpha: when the oxygen is pointed down in a glycosidic bond
2/9
