Report Sheet A.2 Fischer projection of D-glucose Haworth (cyclic) formulas B-D-glucose Q-D-glucose Bouwbedeus A.3 Fischer projection...
Catch Report Sheer - Lab 16 Date Neotion Instructor A. Al Monosaceharides Fischer projections L-glyceraldehyde D-glyceraldehyde How does L-glyceraldehyde differ from D-glyceraldehyde? A.2 Fischer projection of D-glucose Haworth (cyclic) formulas a-D-glucose B-D-glucose Haworth (cyclic) formula for a-D-fructose A.3 Fischer projection of D-fructose
1. For D-glucose and D-fructose provide the following information: a) Molecular formula b) Fischer projection of the open chain and specified cyclic structure c)Type of carbohydrate (Prefix: aldo or keto + number of carbons + "ose"; e.g. aldohexose) D-glucose Molecular formula: Type of carbohydrate: Fischer projection a- cyclic structure D-fructose Molecular formula: Type of carbohydrate: Fischer projection B-cyclic structure O
Ch. 15 Carbohydrates 1) How many stereocenters are in: a) Glucose b) Fructose c) Galactose 2) Area-D-glucose and B-D-glucose anomers? Are they enantiomers? Explain 3) Draw Haworth structure of B-D-galactose and B-D-fructose. 4) Convert each Haworth projection to a Fisher projection
1. use the Haworth projection formula to draw each of the following monosaccharides: a.alpha-D-Glucose 6-phosphate b. alpha-D-Deoxyribose c. alpha-L-Fructose
Part 1 - Build Models and Draw Prolection Formulas from Na was from Names Use the model the model kits to build the following carbohydrates. Draw the Fischer projection formulas of a, b and d. Draw the Haworth noiection formula force, and f. Mark the chiral carbons with an a, a D-ketopentose b. D-ribose Model check c. B-D-fructose d. D-2-deoxyribose Model check e. a-D-galactose f. B-D-glucose Model check
1. Which of the following is an aldohexose? 2. Which of the following is a cetopentose? 3. Which of the following best describes the relationship between D-glucose and D-fructose? 4. Which of the following is (are) L-alfohexose(s)? 5. Which of the following aldohexose(s) is (are) dextrorotatory? 6. How many stereoisomers are possible for L-galactose? Draw or look for its structure. 7. Which of the following conpounds is a pair of enantiomers? 8. Draw the fisher projection for L-sedoheptulose and also...
Draw the Haworth Projection for the compound represented by this model. also need help answering these questions that go along with the model i included Model 5 (This model does not rotate) Н H CH,OH С C НО НО C Н C с. H ОН) ОН Н (b) Haworth projection formulas of cyclic monosaccharides. View model #5 of the cyclic monosaccharide and answer the following: • Is the ring structure a pyranose (6 sides) or a furanose (5 sides): •...
Compleat molecular and structural formulas for D- fructose glucose (Colli's-Tollens' and Haworth (a and B pyranose; a and B furanose). Name all the formulas and indicate the hemiacetal hydroxyl. Write the equations of glucose interaction with: 1. Cu(OH)2; 2.HNO3; 3.CH31; 4.02. Write down what can be observed if you add sodium hydroxide solution to lactose first and then copper(II) sulfate solution (a) without heating; (b) without heating. Compleat molecular and structural formulas for a,D- fructose. Why is fructose a no...
1) Monosaccharide Structures r str s, show the carbon atom numbers. A. Fisher projection of D-glucose B. Haworth projection of β-D glucose C. chair representation of β-D glucose in its most favorable conformation | D. Fisher projection of D-Fructose E. Fisher projection of C3 epimer of D F. Haworth Projection of C3 epimer of D- glucose glucose
142 Problems and questions 1. Are all carbohydrates soluble in water? Explain. 2. Draw the Fischer projection of an aldopentose. 3. The Haworth structure of D-talose is shown below. CH OH OH - 0, OH КОН ОН a) Is talose a monosaccharide, disaccharide, or polysaccharide? b) Does the above structure represent -D-talose or B-D-talose? 4. Compare amylose and cellulose. Describe one similarity and one difference 5. Which monosaccharide is the product of the complete hydrolysis of glycogen?