Biochemistry ACS Final Exam with Correct Solutions 2024

Biochemistry ACS Final Exam with Correct Solutions 2024 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 monosaccha