Which structure represents a-D-galactose?
Which one of these is not a possible structure of
galactose?
Simple Sugars (Monosaccharid Which one of these is not a possible stru of galactose? (Hint: Find the 2 a/b pai CHO НЕОН А) нон Нонн НЕНон CH2OH galactose с он В) сH,он он HOL ОН но он у" (он неон І. он Сн,он ОН Сн,он но 11 —о Сн,он но ТОН ЛОН ОН он он он ОН ОН НЕ -он он CH,он
Draw the structure of lactose give Blucopyranose. (D-galactose is a C-4 epimer of D-glucose) is: B-D-galactopyranosyl-(1,4)-a-D-
Rev Part basic ning D-galactose (Figure 2) reacts with methanol. Edit the structure of D-galactose drawn below to create the glycoside formed. Drag the appropriate labels to their respective targets. tto View Available Hint(s) Reset Help of 2 > он OCH Part D Glucose can be classified as an aldohexose. Name the following monosaccharide to indicate its carbonyl group and the number of carbon atoms. но он он н T c -c-c-OH HHHH Spell out the name of the monosaccharide,...
Which of the following are epimers? a) glucose and fructose, b)glucose and galactose, c) galactose and mannose, OR d) lactose and maltose
Which of the following is the C3 primer of D-glucose? A)D-Mannose B)D-Galactose C) D-Gulose D) D-Allose
Chem 300 F2019 Pratice Exam 2A 14. The structure below is a-D-galactose. VO OH Identify the hemiacetal carbon atom in this structure (circle the correct letter). 15. Write the products of the following saponification reaction: CH-0--CH.CH.CH,CH O=0 CH-0- -CH.CH -0-C-CH.CH CHCH.CH, 16. Liquid oils usually have a higher percentage of what compared to solid fats? A) Oxygen B) Hydrogen C) Unsaturation D) Aromatic rings
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
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...
Which chair conformer (A D) represents the bond-line structure at left in its lowest energy state? D A-value Me 7.6 kJ/mol, A-value iPr 9.2 kJ /mol (a) (c) (d) (b)