Draw the Haworth projections (cyclic forms) of L form along with alpha and beta of each of the following: Glucose (glucopyranose), Mannose (mannopyranose), Galactose (galactopyranose), Fructose, Fructofuranose, Fructopyranose
Report Sheet A.2 Fischer projection of D-glucose Haworth (cyclic) formulas B-D-glucose Q-D-glucose Bouwbedeus A.3 Fischer projection of D-fructose Haworth (cyclic) formula for C-D-fructose Fischer projection of D-galactose Haworth (cyclic) formula for a-D-galactose Questions and Problems Q.1 How does the structure of D-glucose compare to the structure of D-galactose?
Draw a stepwise, detailed mechanism for the following intermolecular reaction that forms a cyclic ether. 9.58 raw a stepwise, detailed mechanism for the following intramolecular reaction that forms cyclic ether. OH HoSO H20 OH
Amylopectin is composed of A) glucose and fructose B) galactose and fructose C) glucose D) galactose E) glucose and lactose
ON Lactose D-galactose D-glucose If additional galactose is added to the reaction mixture, what do you expect to happen to the glucose concentration? (Use Le Chatelier's Principle to answer this question). a) The glucose concentration won't change Ob) The glucose concentration will go down Oc) The glucose concentration will go up d) There is no glucose in the reaction mixture
molecule. One glucose molecule and one galactose molecule would produce a) galactose b) sucrose maltose d) collagen e) lactose Which of the following is a correct match of monomer to polymer: a) glucose - protein b) glucose - lipid c) amino acid - protein d) amino acid - nucleic acid e) Nucleotide - protein The most abundant bio-organic molecule that is contained in any cell: a) lipid b) carbohydrate c) nucleic acid d) protein e) boeh a and care amount...
Which structure represents a-D-galactose?
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
Identify the compound that forms the cyclic hemiacetal. Draw the reaction that produces the hemiacetal. OH 6-hydroxyheptanal. 5-hydroxyheptanal 6-hydroxy-3-heptanone 5-hydroxy-2-heptanone
organic chemistry 3. The starting material below forms a six-membered cyclic hemiacetal in an aqueous solution: (pis) r , " a) Name the starting material b) Draw the mechanism of the reaction above. Note the role of H". c) How many stereoisomers are possible for the starting material? d) How many stereoisomers are possible for the cyclic hemiacetal? 4. Propose a mechanism for the formation of the cyclic acetal by treating acetone with ethylene glycol in the presence of an...