Chem 481 Fall 2007
Study Guide Exam 2
Carbohydrates: Chapter 7 sections 1, 2, and 4 and 5
(read through to get the overall picture and to see how sugar
structures play these various roles)
Know general carbohydrate terminology
i.e. D and L, anomer, epimer, hexose, aldose, ketose, hemi-acetal, pyranose, furanose,
mutarotation etc. and how these relate to sugar structure and physical properties.
Know structures of D-glyeraldehyde, D-Glc, D-Gal, D-Man, D-Rib, D-Fru, D-GlcNAc, Glucuronic acid (carboxylic acid at
position 6), Gluconic acid (carboxylic acid at position 1), D-lactose, D-maltose, D-cellobiose, D-sucrose
Know structural features of amylose, amylopectin, glycogen, cellulose, and chitin
Be able to identify structural features (sugars and their modifications i.e. amino groups carboxy groups gylcosidic linkages) of
Glycoproteins – be able to recognize the glycosidic link to the protein. i.e.
-N-GlcNAc on an Asn,
-O-GlcNAc on a Ser or Thr