Which of the following is the C3 primer of D-glucose? A)D-Mannose B)D-Galactose C) D-Gulose D) D-Allose
Question 3 Hint: D-glucose, D-mannose and D-galactose are aldohexoses D-mannose is a C-2 epimer of D-glucose D-galactose is a C-4 epimer of D-glucose a) Draw the structures of D-mannose and a-D-mannose. b) Draw the structures of D-galactose and B-D-galactose
What is the identify of compound A and B?
D-allose
L-allose
D-altrose
L-altrose
D-arabinose
L-arabinose
D-erythrose
L-erythrose
D-erythrulose
L-erythrulose
D-fructose
L-fructose
D-galactose
L-galactose
D-glucose
L-glucose
D-glyceraldehyde
L-glyceraldehyde
D-gulose
L-gulose
D-idose
L-idose
D‐lyxose
L‐lyxose
D-mannose
L-mannose
D‐psicose
L‐psicose
D-ribose
L-ribose
D-ribulose
L-ribulose
D-sorbose
L-sorbose
D-tagatose
L-tagatose
D-talose
L-talose
D-threose
L-threose
D‐xylose
L‐xylose
D-xylulose
L-xylulose
None of the above
What is the identify of compound A? CH2OH HO OH OH OH Compound A
Which of the following are epimers? a) glucose and fructose, b)glucose and galactose, c) galactose and mannose, OR d) lactose and maltose
Draw Fischer-projections for the hexitols obtained by reducing a mixture of D-mannose, D-glucose, D-fructose and D-galactose.
What are the oxidation and reduction products of the following monosaccharides: glucose, mannose, fructose, galactose?
CARBOHYDRATES POST-LAB QUESTIONS [52] 19. Review the Fischer structures of D-galactose, D-glucose, and D-mannose Identify each structure. [12 pts) CHO CHO CHO Н. -OH HO -H H -OH HO -H HO H HO -H Н. OH H OH HO -H H -OH H ОН Н. ОН CH2OH CH2OH CH2OH D-Glucose D-Mannose TD-Galactose 20. Would either D-galactose or D-mannose form an osazone identical to the glucose osazone? [5 pts] 21. Explain: [5 pts) [5 pts] 22. What structural feature do all...
D-Allose is the C3-epimer of D-glucose. Which structure corresponds to methyl beta-D- allopyranoside? Select one: OCH, Оа. Но Он OCH ОН o b, НО ОН ОН OCH ОН О с. Но OCH ОН
Amylopectin is composed of A) glucose and fructose B) galactose and fructose C) glucose D) galactose E) glucose and lactose
1. Starch is a polymer made from the following monomer: a. a-galactose b. C-glucose c. B-glucose d. a-fructose 2. The type of bond that forms when a disaccharide is formed from two monosaccharides is called: a. a peptide bond b. a carbohydrate bond c. an ester bond d. a glycosidic bond 3. The products of hydrolysis of lactose are: a. glucose and galactose b. glucose and fructose c. galactose and ribose d. fructose and galactose 4. Which is the most...
Question 10 Glucose is also known as O fructose O galactose O dextrose O mannose