1. Draw the structure of D-fructose, and glucose to which it is converted in basic media.
1. Draw the structure of D-fructose, and glucose to which it is converted in basic media.
match the following 1. Fructose 1,6-bisphosphate is converted to Fructose 6- phosphate through this enzyme _____ 2. Synthesis of glucose from noncarbohydrate precursors _____ 3. Stage in which two molecules of ATP are consumed _____ 4. This is formed from pyruvate in yeast and several other microorganisms through fermentation _____ 5. The isomerization of glucose 6-phosphate to fructose 6-phosphate is a coversion of an aldose into a …._____ 6. Pyruvate is converted by pyruvate carboxylase into this intermediate _____ 7....
1. For D-glucose and D-fructose provide the following information: a) Molecular formula b) Fischer projection of the open chain and specified cyclic structure c)Type of carbohydrate (Prefix: aldo or keto + number of carbons + "ose"; e.g. aldohexose) D-glucose Molecular formula: Type of carbohydrate: Fischer projection a- cyclic structure D-fructose Molecular formula: Type of carbohydrate: Fischer projection B-cyclic structure O
1) SHOW WORK
12. During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: glucose 1-phosphate → glucose 6-phosphate glucose 6-phosphate + fructose 6-phosphate AG'' = -7.1 kJ/mol AG'º = +1.7 kJ/mol 13. The standard free-energy changes for the reactions below are given. phosphocreatine → creatine + Pi ATP → ADP + Pi AG" = 43.0 kJ/mol AG" = -30.5 kJ/mol What is the overall AG' for the following reaction? Iw a dee Hydrolysis of 1 M...
Draw the open-chain and cyclic structure of D-fructose
Ch. 15 Carbohydrates 1) How many stereocenters are in: a) Glucose b) Fructose c) Galactose 2) Area-D-glucose and B-D-glucose anomers? Are they enantiomers? Explain 3) Draw Haworth structure of B-D-galactose and B-D-fructose. 4) Convert each Haworth projection to a Fisher projection
Draw Fischer-projections for the hexitols obtained by reducing a mixture of D-mannose, D-glucose, D-fructose and D-galactose.
Amylopectin is composed of A) glucose and fructose B) galactose and fructose C) glucose D) galactose E) glucose and lactose
Please answering the following
questions, 1-3.
1. Draw the linear structure of D-glucose 2. Draw the cyclic structure of alpha-D-glucose (= alpha-D-glucopyranose) and point the anomeric carbon with an arrow. 3. Draw the structure of maltose, and circle the glycosidic bond.
Question 8 0.5 pts Below is the structure of fructose, is it D-or L-fructose AND which numbered carbon determines this? CH2OH 0 HO -H H- OH НЕОН CH2OH L-fructose; #5 carbon O L-fructose; #2 carbon D-fructose; #5 carbon D-fructose; #4 carbon O L-fructose; #4 carbon
Which of the following are epimers? a) glucose and fructose, b)glucose and galactose, c) galactose and mannose, OR d) lactose and maltose