5) What is meant by the term"reducing sugar"?
6) Draw out structures to show the hydrolysis of the following carbohydrates:
a) Sucrose
b) Lactose
c) Starch ( show 4 repeating units)
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5) What is meant by the term"reducing sugar"? 6) Draw out structures to show the hydrolysis...
Reducing and Nonreducing Carbohydrates 6. Carbohydrate Color after Benediet's AssayReducing or Nonreducing? 1-starch 2-sucrose 3-lactose 4-glucose 5-fructose Starch Hydrolysis: Enzyme vs. Acid Catalysis Color of Iodine Test (none, some, or a lot) (no, somewhat, or completely) Is Intact Starch Still Present? Was Hydrolysis Successful? Catalyst Used KI sol'n only NONE N/A (negative control) 1-acid 2-enzyme nore→ Exp 10 Carbohydrates-page 13
Reducing and Nonreducing Carbohydrates 6. Carbohydrate Color after Benediet's AssayReducing or Nonreducing? 1-starch 2-sucrose 3-lactose 4-glucose 5-fructose Starch Hydrolysis: Enzyme...
Reducing and Nonreducing Carbohydrates 6. Carbohydrate Color after Benediet's AssayReducing or Nonreducing? 1-starch 2-sucrose 3-lactose 4-glucose 5-fructose Starch Hydrolysis: Enzyme vs. Acid Catalysis Color of Iodine Test (none, some, or a lot) (no, somewhat, or completely) Is Intact Starch Still Present? Was Hydrolysis Successful? Catalyst Used KI sol'n only NONE N/A (negative control) 1-acid 2-enzyme nore→ Exp 10 Carbohydrates-page 13
Draw the structures of glucose, fructose, sucrose, starch, and cellulose (your structures must show the correct stereochemistry; for starch and cellulose draw at least two repeating units). Comment on the structural differences between starch and cellulose and how that relates to their relative viability as a biomass feedstock.
Draw the structures of glucose, fructose, sucrose, starch and cellulose (your structures must show the correct stereochemistry; for starch and cellulose draw at least two repeating units). Comment on the structural differences between starch and cellulose and how that relates to their relative viability as a biomass feedstock.[15 points]
369 Name Locker Number Date Plesse print: last name first REPORT SHEET (continued): Experiment 26 Hydrolysis of a Disaccharide 5. Does sucrose give a positive Benedict test? Why or why not? After hydrolysis, did sucrose give a positive Benedict test? Explain your answer. 6. Bial Test What color indicates a positive test for a pentose sugar? Record your observations +or - for each carbohydrate in the table below: 1. xylose 3. fructose 5. starch 2. glucose 6. control 4. sucrose...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose d. lactose 2. Which of the following functional groups in a carbohydrate are able to be oxidized to carboxylic acids? a. ketones that are rearranged in solution b. ketones that are not rearranged in solution c. aldehydes d. alcohols 3. Which of the following carbohydrates were reducing sugars? a. lactose b. sucrose c. fructose d. starch e. cellulose 4. Why does lactose give a...
This are organic chemistry assignments, sorry if it's long but i
appreciate any help i can get
7. What is the name for the enantiomer of D-fructose?
A. D-glucose
B. L-glucose
C. L-galactose
D. L-fructose
10.Which monosaccharide is not a reducing sugar?
A. glucose
B. galactose
C. fructose
D. all the monosaccharides are reducing sugars.
11. Which disaccharide is not a reducing sugar?
A. maltose
B. lactose
C. sucrose
D. all the disaccharides are reducing sugars.
12.Is this reaction an...
4. Use Haworth projections to illustrate the acid catalyzed hydrolysis of sucrose 5. What is the correct name of the glycosidic bond in lactose? 6. What is the correct name of the glycosidic bond in maltose? 7. What is the correct name of the glycosidic bond in sucrose? 8. You will be performing an iodine test for the presence of starch in this lab. What observation in this experiment will tell you when all of the starch has been hydrolyzed...
3. Ribose isan) Carbohydrates a) aldotetrose b) aldopentose c) ketotriose 1. The monosaccharide that is also called blood sugar 4. In the following Fischer projection, which chiral carbon is used to determine whether the sugar is。er L? a) ribulose b) galactose c) glucose d) bose a) The green carbon b) The yellow carbon c) The blue carbon d) The red carbon он но но CH2OH 2. All of the following monosaccharides are aldoses &. In the following Flscher projection, is...
1, whuxh of the folowing carbohydrates contain ketohexoses? a. Sucrose b. Lactose c. Cellulose d. Starch e. Fructose 2.Which of the following functional groups in a carbohydrates are able to be oxidized to carboxylic acids? a. Kentones that are rearranged in solution b. Ketones that are rearranged in solution c. Alcohols d. Aldehydes 3. Which of the follwoing crbohydrates were reducing sugars?(select all that apply) a. Cellulose b.STArch c. Sucrose c. lactose e. Fructose 4. Why does lactose give a...