Biochem Module 4 Exam questions and answers 100% verified.

Biochem Module 4 Exam questions and answers 100% verified. which of the following monosaccharides is not an aldose? a. erythrose b. dihydroxyacetone c. glucose d. glyceraldehyde e. ribose - correct answers.b. dihydroxyacetone when two monosaccharides are epimers: a. they differ only in the configuration about the penultimate carbon b. one is an aldose, the other a ketose c. they differ only in the configuration about one carbon atom d. they form o-glycosidic bonds e. they are oligosaccharides - correct answers.c. 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. alpha-D-glucose and beta-D-fructose e. alpha-D-glucose and beta-D-glucose - correct answers.e. alpha-D-glucose and beta-D-glucose lactose is made from linking galactose and glucose. when this happens: a. a polysaccharide is formed b. gas is eliminated c. an epimer is formed d. an anomeric carbon is formed on carbon-1 e. lactose forms by a condensation reaction - correct answers.e. lactose forms by a condensation reaction lactose is made from linking galactose and glucose. when this happens: a. gas is eliminated b. an anomeric carbon is formed on carbon-1 c. water is released d. an epimer is formed e. an aldose is formed - correct answers.c. water is released chitin and cellulose are both polymers of: a. alpha-D-glucose b. galactose c. beta-D-glucose d. idose e. maltose - correct answers.c. beta-D-glucose *starch, glycogen, amylose, and amylopectin = alpha-D-glucose amylose and amylopectin are both polymers of: a. alpha-D-glucose b. beta-D-glucose c. galactose d. idose e. maltose - correct answers.a. alpha-D-glucose *cellulose and chitin = beta-D-glucose *starch, glycogen, amylose, and amylopectin = alpha-D-glucose which statement about starch and glycogen is false? a. amylose is unbranched; amylopectin and glycogen contain many branches b. both are heteropolymers of glucose c. both have many -OH groups in their structures d. both starch and glycogen are energy storage polysaccharides e. glycogen is more extensively branched than starch - correct answers.b. both are heteropolymers of glucose which statement about starch and glycogen is false? a. both have beta-D-glucose monomers b. both starch and glycogen are energy storage polysaccharides c. both are homopolymers of glucose d. glycogen is more extensively branched that starch e. both have O-glycosidic linkages - correct answers.a. both have beta-D-glucose monomers *starch and glycogen have alpha-D-glucose monomers which monosaccharide is not a 6-carbon monosaccharide? a. idose b. glucose c. galactose d. dihydroxyacetone e. allose - correct answers.d. dihydroxyacetone which monosaccharide is not a 6-carbon monosaccharide? a. fructose b. ribose c. mannose d. galactose e. glucose - correct answers.b. ribose what are the 2 monosaccharides shown below? - correct e (1 C2OH group) ketose (2 C3OH groups) the 2 monosaccharides shown below could be best described as: a. anomers b. aldoses c. ketoses d. epimers e. pentoses - correct answers.d. epimers *epimers = D/l anomers = alpha/beta what is an anomeric carbon? - correct new chiral center formed in ring closure; it was the carbon containing the carbonyl in the straight-chain form attached to an -OR group, -OH group, C, and H which arrow correctly identifies the atom that will become the anomeric carbon? - correct n-1, which is at the top of the Fischer structure based on the form of the cyclic sugar below in a Haworth projection, which Fischer projection formula could have formed this structure? - correct answers.*look at the Haworth projection and create Fischer projections for it the following monosaccharides are covalently bonded. what type of bond unites them? - correct 1-->6 which statement about cellulose is true? a. cellulose is found in plants b. cellulose in the primary storage polysaccharide of animal cells c. cellulose is found in DNA d. the glucose residues of cellulose contain the same configuration as the glucose residues of amylose