Portage Learning Chem 210 - Module 4 exam Newest

CHEM 210 Chem 210 - Module 4 Question 1 pts Which of the following monosaccharides is a ketose? Correct! Dihydroxyacetone Galactose Glucose Glyceraldehyde Idose Dihydroxyacetone Question 2 pts When two carbohydrates are epimers: One is a pyranose, the other a furanose One is an aldose, the other a ketose They differ in length by one carbon They differ only in the configuration about one carbon atom They react differently with iodin e THEY DIFFER ONLY IN THE CONFIGURATION ABOUT ONE CARBON ATOM Which pair is anomeric? A) D-glucose and D -fructose B) D-glucose and L -fructose C) D-glucose and L -glucose D) -D-glucose and -D-glucose E) α-D-glucose and β -L-glucose D) -D-glucose and -D-glucose CHEM 210 Question 4 pts Lactose is made from linking galactose and glucose. When this happens, _____. Gas is eliminated An anomeric carbon is formed on carbon -1 Water is released An epimer is formed An aldose is formed WATER IS RELEASED Questio n 5 pts Amylose and amylopectin are both polymers of: A) α-D-glucose B) β-D-glucose C) Galactose D) Idose E) Maltose A) α-D-glucose