4. Write the name of the following monosaccharides with the correct Stereoisomers (Dor L). (3 marks)...
4. Write the name of the following monosaccharides with the correct Stereoisomers (D or L). (3 marks) O с CH,OH H-C-OH CEO HOC-H HO-C-H T CHO HO-CH H-C-OH H-C-OH H-C-OH CH,OH H-C-OH CH,OH CH,OH В.
A D-Glucose B. D-Fructose C. L-Glyceraldehyde 5. What is an epimer? In the following structures indicate the two structures and the specific carbon atoms that are making them epimers. (4 marks) H =0 Н. 1 11 CON HO CHI H. 2 HOCH HC=ON HOSCH 3 H-C-OH CHOH CULOH CHOH
2. Compare and contrast the structural and functional properties of myoglobin and hemoglobin. How do they ensure that each plays their appropriate physiological role. Use this figure in your discussion. Justify your answer. (10 points) Working muscle Resting muscle 100 80 Myoglobin 60 Percent O, saturation Hemoglobin 40 20 Venous pO2 Arterial po, 0 20 100 120 40 60 80 Partial pressure of oxygen (po,, torr) C. 5. What is an epimer? In the following structures indicate the two structures...
2. Draw Fischer projections of the open chain tautomer of each of the monosaccharides shown below, and indicate whether the compound is: i. an aldose or a ketose; ii. a D- or an L-sugar; iii. a triose, tetrose, pentose or hexose OH OH HO HO HO OH OH HO OH OH HO H OH 3. Draw Fischer projections of L-arabinose, D-fucose, and L-mannoheptulose given the structures below OH CHO CHO HOH HOH HOHH H-OH HOH H OH H OH OH...
T. How many stereoisomers of beta-D-glucopyranose exist (including itself)? a. 4 e. too many to consider b. 8 с. 16 d. 32 onsider the following Fischer projections and answer the questions: CHO H OH HO H H OH H O ČH2OH glucose CHO CHO H OH Но- СНО н H- OH HO OH HO -н -н H- OH H HO -H HO н- H OH ČH2OH H OH CH2OH OH CH OH allose galactose talose 2. Which pair are not...
Are the following monosaccharides D or L? 1. Are the following monosaccharides D or L? CH2OH C -0 HOHO —OH HO | —H HO | _H -H HI-OH HI-OH HO 「H—OHH -OH HF -OH H- —OH -OH | HO —— HH- CH2OH CH2OH CH2OH of of m -OH H- CH2OH Answer:
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...
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH SH HOM HO OH OH H H OH OH H . H OH GLUCOSE HOH GALACTOSE OH FRUCTOSE What is the molecular formula for the the following monosaccharides? a. glucose: C b. fructose: C c. galactose: C 5) A. Show the anomeric carbon. (1 pts) B. Draw B-D-Fructopyranose (2 pts) Fructose Isomers 6) Identify monosaccharide (M), disaccharide (D) or Polysaccharide (P) (3 pts) a....
CHO H- Chemistry 421 Homework #9 Fall 14 Select the most corres How many stereoisomers of beta-D-glucopyranose exist (including itselt)? a. 4 b. 8 c. 16 d. 32 e. too many to consider cero Consider the following Fischer projections and answer the questions: CHO CHO CHO II -OH -ОН HOH H- OH HIO - -OH HO H -H HO H H- H -OH HO- -Η HO- OH н -он Н -он H- -ОН H- OH CHLOH CH OH Снон CHLOH...
(3) Answer the following question about the carbohydrate. [15 points) A) For given structure of D-Fructose, draw the structure for one example of the required stereoisomers. (9 points) D-Fructose CH,OH Enantiomer (Fischer Structure) Epimer (Fischer Structure) Enomer (Haworth structure) CO HO -CH HC-OH -C OH CH,OH Name: B) Complete the following table with the proper information for listing three disaccharides (6 Points) Name of the Composition (monosaccharides) Type of glycosidic disaccharide linkage Maltose Lactose + Sucrose