26. This compound is L-glyceraldehyde. Draw a stereochemically correct representation of C-1 and C-2 of D-glucose. CHO HO C-H CH2OH 27. Categorize each of the following as an aldose, a ketose, or neither. H OH H-Ç Он но -H- H-C-OH HO-C-H H -Ç OH H -Ç OH H-C- OH HO-C-H HO-C-H H- H H (a) (b) (c) (d) (e) 28. Define each in 20 words or less: (a) anomeric carbon; (b) enantiomers; (c) furanose and pyranose: (d) glycoside; (e) aldose and ketose.

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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26. This compound is L-glyceraldehyde. Draw a stereochemically correct representation of C-1 and C-2 of D-glucose. CHO | HO—C—H | CH2OH 27. Categorize each of the following as an aldose, a ketose, or neither. 28. Define each in 20 words or less: (a) anomeric carbon; (b) enantiomers; (c) furanose and pyranose; (d) glycoside; (e) aldose and ketose. 29. A) Draw the structure of any aldohexose in the pyranose ring form. B) Draw the structure of the anomer of the aldohexose you drew above. C) How many asymmetric carbons (chiral centers) does each of these structures have? D) How many stereoisomers of the aldohexoses you drew are theoretically possible? 30. A) Define "reducing sugar." (b) Sucrose is a disaccharide composed of glucose and fructose (Glc(1 → 2)Fru). Explain why sucrose is not a reducing sugar, even though both glucose and fructose are.
1:12 O Enzyme)? Explain briefly with an example.
Aiman A. Candidato - Lipids....
25. Explain why all mono- and disaccharides are soluble in water.
26. This compound is L-glyceraldehyde. Draw a stereochemically correct representation of C-1
and C-2 of D-glucose.
CHO
HO C-H
CH2OH
27. Categorize each of the following as an aldose, a ketose, or neither.
H
H -C- OH
H -C-OH
HO-C-H
но
C =O
H-C-OH
HO-C-H
H -C-OH
H -C
Он
H -C-OH
HO -C- H
HO-C-
H -C-H
-H-
H
(a)
(b)
(c)
(d)
(e)
28. Define each in 20 words or less:
(a) anomeric carbon;
(b) enantiomers;
(c) furanose and pyranose;
(d) glycoside;
(e) aldose and ketose.
29. A) Draw the structure of any aldohexose in the pyranose ring form. B) Draw the structure of
the anomer of the aldohexose you drew above. C) How many asymmetric carbons (chiral
centers) does each of these structures have? D) How many stereoisomers of the aldohexoses
you drew are theoretically possible?
6/7
30. A) Define "reducing sugar." (b) Sucrose is a disaccharide composed of glucose and fructose
(Glc(al → 2)Fru). Explain why sucrose is not a reducing sugar, even though both glucose
and fructose are.
...
Transcribed Image Text:1:12 O Enzyme)? Explain briefly with an example. Aiman A. Candidato - Lipids.... 25. Explain why all mono- and disaccharides are soluble in water. 26. This compound is L-glyceraldehyde. Draw a stereochemically correct representation of C-1 and C-2 of D-glucose. CHO HO C-H CH2OH 27. Categorize each of the following as an aldose, a ketose, or neither. H H -C- OH H -C-OH HO-C-H но C =O H-C-OH HO-C-H H -C-OH H -C Он H -C-OH HO -C- H HO-C- H -C-H -H- H (a) (b) (c) (d) (e) 28. Define each in 20 words or less: (a) anomeric carbon; (b) enantiomers; (c) furanose and pyranose; (d) glycoside; (e) aldose and ketose. 29. A) Draw the structure of any aldohexose in the pyranose ring form. B) Draw the structure of the anomer of the aldohexose you drew above. C) How many asymmetric carbons (chiral centers) does each of these structures have? D) How many stereoisomers of the aldohexoses you drew are theoretically possible? 6/7 30. A) Define "reducing sugar." (b) Sucrose is a disaccharide composed of glucose and fructose (Glc(al → 2)Fru). Explain why sucrose is not a reducing sugar, even though both glucose and fructose are. ...
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