Draw the Haworth projections (cyclic forms) of L form along with alpha and beta of each...
CH401 Biochemistry I Homework Assignment #6, Carbohydrates 1. Indicate whether each of the following pairs of sugars consists of anomers, epimers, enantiomers, or none of these relationships. a. D-glyceraldehyde and dihydroxyacetone. annos b. D-glucose and D-mannose - epimers c. D-erythrose and L-erythrose er m ers d. a-D-glucose and B-D-glucose - enoshowers e. D-ribose and D-arabinose - f. D-galactose and D-glucose - 2. What does the enzyme mutarotase catalyze? Show by an equation using the glucose isomers. 3. Draw the Haworth...
Draw the cyclic Haworth projection of the beta-furanose form of D-fructose. Show the mecahnism behind it.14 (2).pdf
PROBLEMS 120 points Draw the Haworth projections for each of the following disaccharides. Be sure to correctly display the orientations and bonding. maltose (glucose a(1-4) glucose] sucrose (glucose a(1-2) fructose) lactose (galactose 3(1-4) glucose]
2. What does the enzyme mutarotase catalyze? Show by an equation using the glucose isomers. 3. Draw the Haworth structures of the following monosaccharides: D-glucopyranose, L- glucopyranose, D-glucofuranose, D-mannopyranose, D-galactopyranose, D-deoxy- ribofuranose, D-fructofuranose, D-fructopyranose. For the purposes of this problem, ignore the distinction betweena and B.
4 and 5
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Glucose generally exists in ring (cyclic) form. A Haworth projection shows the orientations of the hydroxyl groups and hydrogen atoms on the ring. Draw the alpha and beta forms of glucose by moving the groups (H, OH, or CH2OH) to the appropriate positions.
Use the Haworth projection to draw D-ribose in the beta-furanose and alpha-pyranose forms.
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...
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
Please choose the correct answer:
Question 1 1 pts CH-оH -о он ОН, ОН ОН The molecular above is? alpha glucopyranose beta glucofuranose alpha fructofuranose alpha galactopyranose beta fructopyranose beta galactopyranose alpha glucofuranose beta glucopyranose Question 2 1 pts CHO Он Н OH н. н -ОН CH,он The molecule above is? galactose fructose glucose mannose ribose OOOO Question 3 1 pts СНо Н -ОН OH Н н Он CH2OH The furanose form of this molecule is which of the structures...