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1) SHOW WORK STEP By STEP
below is Figure 7-3
Recognizing Epimers Using Figure 7-3, identify the epimers of (a) D-allose, (b) D-gulose, and (c) D-ribose at C-2, C-3, and C-4. Answer Epimers differ by the configuration about only one carbon. (a) D-altrose (C-2), D-glucose (C-3), D-gulose (C-4) (b) D-idose (C-2), D-galactose (C-3), D-allose (C-4) (c) D-arabinose (C-2), D-xylose (C-3) (a) D-Aldoses Three carbons Four carbons Five carbons но не HO -OH н-с-он CH, OH D-Glyceraldehyde но-с-н H-C-OH снион D-Threose...
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9) Which of the following represents a pair of epimers?
A) D- and
L-erythrose
B) D-erythrose and
D-threose
C) D-arabinose and D-erythrose
D) D-arabinose and
D-xylose
E) D-glyceraldehyde and D-threose
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Question1 a) What are carbohydrates? b) What is the origin of the name carbohydrate? c) Explain why the empirical formulae of monosaccharides do not define monosaccharides. d) Explain the basis for the existence of so many types of monosaccharides in nature e) Write 3 other names for carbohydrates. Question 2 a) Draw the structures of the monosaccharides listed below. i. D-erythrose ii. L-threose ii. D-threose b) Question 3 a) Discuss the stereoisomeric relationships between D-erythrose, D-threose and L-threose Draw the...
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3. Which of the following pairs of sugars are epimers of each other? a. D-sorbose and D-psicose b. D-sorbose and D-fructose c. D-erythrose and D-arabinose 4. Which of the following pairs of sugars are epimers of each other? a. D-fructose and L-fructose b. D-arabinose and D-ribose c. D-ribose and D-ribulose
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Please show all work. Will rate high!
Use the Henderson–Hasselbalch (H-H) equation to answer
the following question:
Calculate the concentration of the glutamine anion when 0.50 M of glutamine is at a physiological pH of 7.4. The pka of the a-amine group is 9.13. (Answer in mm) Match the name with the structure for each of the D-aldoses. CHO CHO но CHO H он H Но H H ОН H он HOH H он CHO но -Н H ОН но...
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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...
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Identify each of the following as the D or L stereoisomer. Drag the appropriate items to their respective bins. Reset Help CH OH . . HOH C=0 НОНЕН H -OH но -н CH,OH Sorbose H- OH нон CH,OH Arabinose HO- H но -н -OH CH OH Lyxose HO CH OH Ribose D stereoisomer L stereoisomer Submit Request Answer
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Name the following aldoses. (Include in the names the stereochemical designation D or L and, where appropriate, the configuration of the anomeric carbon, alpha or beta. This question is case-sensitive, so capitalize only the D or L.) ball & stick labels ball & stick labels The following model is that of an aldopentose: ball & stick - + labels Draw the alpha anomer of the sugar in its furanose form. • Use the wedge/hash bond tools to indicate stereochemistry where...
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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...
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10 What ie one of the products of the saponification of the following compound? 0 CH,Ho C(CH3)-CH-CH(CH2),CH, 0 CHLA- (CH).CH o b. CH-0-C(CH2-CH=CHCH-CH-CH(CH3)4CH CH, CH2-CH=CHCH, CO,H CH, CH4C04H -0.C(CH.),CH=CHCH.CH-CH(CH),CH, 0=CH(CH, 14CH, C. d. 11. isoprene units. Diterpenes contain a 1 b. 2 c. 3 d. 4 5 12. What is the name of the following monosaccharide? a. D-threose b. D-Ribose CHO c. D-erythrose d. L-erythrose H-COH e. L-ribose H-C-OH H-C-OH CH,OH 13 linked. Starch consists of a. glucose b. glucose...
1) SHOW WORK STEP By STEP
below is Figure 7-3
Recognizing Epimers Using Figure 7-3, identify the epimers of (a) D-allose, (b) D-gulose, and (c) D-ribose at C-2, C-3, and C-4. Answer Epimers differ by the configuration about only one carbon. (a) D-altrose (C-2), D-glucose (C-3), D-gulose (C-4) (b) D-idose (C-2), D-galactose (C-3), D-allose (C-4) (c) D-arabinose (C-2), D-xylose (C-3) (a) D-Aldoses Three carbons Four carbons Five carbons но не HO -OH н-с-он CH, OH D-Glyceraldehyde но-с-н H-C-OH снион D-Threose...
Question1 a) What are carbohydrates? b) What is the origin of the name carbohydrate? c) Explain why the empirical formulae of monosaccharides do not define monosaccharides. d) Explain the basis for the existence of so many types of monosaccharides in nature e) Write 3 other names for carbohydrates. Question 2 a) Draw the structures of the monosaccharides listed below. i. D-erythrose ii. L-threose ii. D-threose b) Question 3 a) Discuss the stereoisomeric relationships between D-erythrose, D-threose and L-threose Draw the...
3. Which of the following pairs of sugars are epimers of each other? a. D-sorbose and D-psicose b. D-sorbose and D-fructose c. D-erythrose and D-arabinose 4. Which of the following pairs of sugars are epimers of each other? a. D-fructose and L-fructose b. D-arabinose and D-ribose c. D-ribose and D-ribulose
Please show all work. Will rate high!
Use the Henderson–Hasselbalch (H-H) equation to answer
the following question:
Calculate the concentration of the glutamine anion when 0.50 M of glutamine is at a physiological pH of 7.4. The pka of the a-amine group is 9.13. (Answer in mm) Match the name with the structure for each of the D-aldoses. CHO CHO но CHO H он H Но H H ОН H он HOH H он CHO но -Н H ОН но...
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...
Identify each of the following as the D or L stereoisomer. Drag the appropriate items to their respective bins. Reset Help CH OH . . HOH C=0 НОНЕН H -OH но -н CH,OH Sorbose H- OH нон CH,OH Arabinose HO- H но -н -OH CH OH Lyxose HO CH OH Ribose D stereoisomer L stereoisomer Submit Request Answer
Name the following aldoses. (Include in the names the stereochemical designation D or L and, where appropriate, the configuration of the anomeric carbon, alpha or beta. This question is case-sensitive, so capitalize only the D or L.) ball & stick labels ball & stick labels The following model is that of an aldopentose: ball & stick - + labels Draw the alpha anomer of the sugar in its furanose form. • Use the wedge/hash bond tools to indicate stereochemistry where...
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...
10 What ie one of the products of the saponification of the following compound? 0 CH,Ho C(CH3)-CH-CH(CH2),CH, 0 CHLA- (CH).CH o b. CH-0-C(CH2-CH=CHCH-CH-CH(CH3)4CH CH, CH2-CH=CHCH, CO,H CH, CH4C04H -0.C(CH.),CH=CHCH.CH-CH(CH),CH, 0=CH(CH, 14CH, C. d. 11. isoprene units. Diterpenes contain a 1 b. 2 c. 3 d. 4 5 12. What is the name of the following monosaccharide? a. D-threose b. D-Ribose CHO c. D-erythrose d. L-erythrose H-COH e. L-ribose H-C-OH H-C-OH CH,OH 13 linked. Starch consists of a. glucose b. glucose...