Define the following terms in 2-3 sentences. a Glycoside b.Glycone c.Aglycone d.Bufadienolide e.Cyclopentanoperhydropenanthrene
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- Define the following terms in 2-3 sentences.
a Glycoside
b.Glycone
c.Aglycone
d.Bufadienolide
e.Cyclopentanoperhydropenanthrene
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- Draw the Fischer projection formula for each sugar and give the importance/use of each. 1. D- glyceraldehyde 2. D- erythrose 3. D- ribose 4. D- deoxyribose 5. D- glucose 6. D- galactose 7. D- fructose 8. D- ribuloseClassify each of the following sugar pairs as enantiomers, diastereomers, epimers, or an aldose–ketose pair. a. D-erythrose and D-threose b. D-glucose and D-mannose c. D-ribose and L-ribose d. D-allose and D-galactose e. D-glyceraldehyde and dihydroxyacetoneIndicate whether the following pairs of monosaccharides are aldoses or ketoses. a. D-altrose & D-xylose b. D-arabinose & D-glyceraldehyde c. D-erythrulose & D-psicose d. D-talose & D-gulose e. dihydroxyacetone & D-tagatose f. D-idose & D-threose
- Listed below are descriptions that may belong to amylose, amylopectin, both, or it may not belong to either. Write A if it describes amylose, B if it describes amylopectin, AB if the statement applies to both, or O if it doesn’t apply to either. 1. Its monosaccharides are bound by at least one α-1,4-glycosidic bond. 2. It contains α-1,6-glycosidic bonds. 3. It can be broken down by the enzyme α-amylase. 4. A polysaccharide made up of gulose. 5. It can form a double helix.Edman's reagent is a. mercaptaethanol O b. dansyl chloride (1- dimethylamino-naphthalene- 5-sulfonyl chloride) O c. phenylisothiocyanate (PITC) O d. cynogen bromideThese are the options: Given the choices of carbohydrates in the following list and provide the type of carbohydrates that match with the given descriptions A. Glucose B. Fructose C. Galactose D. Mannose E. Ribose F. Xylose G. Xylulose H. Glucosamine I. Maltose J. Sucrose K. Lactose L. Trehalose M. Amylose N. Amylopectin O. Cellulose P. Agarose Q. Glycosaminoglycan
- Match the following sugars with their corresponding descriptions. A. Esculin J. 1. aldonitol G. rhamnose K cellobiose D. Melibiose E. saccharose C. raffinose H. trehalose F. Glucose B. Lactose Arabinose A. a pentose alcohol. B. a disaccharide consisting of glucose and galactose units linked by 3(1-4) glycosidic bond C. a trisaccharide consisting of galactose, fructose and glucose D. a disaccharide consisting of glucose and galactose units linked by a(1-6) glycosidic bond E. a disaccharide consisting of glucose and fructose linked by a1-32 glycosidic bond F. a monosaccharide under aldohexoses G. deoxymannose H. a disaccharide consisting of 2 glucose units linked by a(1-1) glycosidic bond I. glucoside of esculetin. J. a monosaccharide under aldopentoses K. a disaccharide consisting of 2 glucose units linked by B(1-4) glycosidic bondMild alkaline hydrolysis of glycophospholipids leads to, as major products, 1. Glycerol 2. Glycerol and L-glycerol 3-phosphate 3. Sphingosine 4. Choline O 2 O 4 O 3Define the following terms: a. lactose b. maltose c. homoglycans d. heteroglycans e. starch