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- Which of the following does NOT contain 1,4 glycosidic linkage? CH,OH CH,OH CH2OH HO. CHOH CH2OH Q. OH он он но OH CHOH OH но OH O. O OH CH2OH он он OH OH OH он OH он A OH B. OA3. Name the following oxidation/reduction product for the given monosaccharide. (2 pts each) COOH Сно H- OH но H- но -- но -- -OH H- -OH OH ČH2OH COOH а. b. COOH CHO H- -O- но -H но -H но но -H но -H H- -OH H -HO- COOH COOH C. d. COOH CH2OH H- -O- -OH -O- но H- Но -H -OH -OH H OH ČOOH ČH2OH е. f.From the following monosaccharides, identify the a anomers. Select all that apply. Select one or more: OH он OH OH O a. OH OH HO но- Ob. ÓH H OH HO но- он H OH O c. HO OH ÓH ÓH d.
- How do I find the volume of a 30% a 15% a 3% surcose. For these. I use 60gm of sucrose and and add 160ml of warm water to it. Then I added 10ml of sucrose to 15% and 3%. I need help please.1. Is the disaccharide reducing? Yes or no and why. 2. Will the disachharide react positively with benedicts reagent? Yes or No. 3. What is the specific glycosidic linkage of the disacchride? A. alpha-1,4 glycosidic linkage B. beta-1,3 glycosidic linkage C. alpha-1,3 glycosidic linkage D. beta-1,4 glycosidic linkage1. Breaking of disulfide bonds in albumin to produce -SH is most likely caused by?* Acetic acid Alcohol Reducing agents Sun (ultraviolet radiation) 2. Positive with Molisch Test, but negative with both Iodine Test and Benedict's Test.* Glucose Fructose Ribose/Arabinose Maltose Sucrose 3. Which of the following is not a reducing sugar?* Sucrose Glucose Fructose Lactose
- 8. Write the systematic name for each glycosidic bond. CH₂O HO OH CH OHHO 8-439 OH HO OH CHION QIL CH₂OH toll1. At pH 7, the net charge of lysine is A. -2 В. -1 С. О D. +1 Е. +2 2. All 20 amino acids have A. one chiral carbon В. one a-carbon C. one carboxyl group D. ionizable R group E. neutral charge at physiological pH 3. The a helix structure of a polypeptide is maintained by A. peptide bonds B. van der Waal's force C. hydrogen bonds D. ionic bonds E. disulphide bonds 4. Which side chain of the following amino acid is deprotonated at pH 9? A. Methionine B. Alanine C. Isoleucine D. Histidine Е. Тyгosine 5. How many chiral carbons are in the following sugar? А. 1 В. 2 С. 3 D. 4 Е. 51. In the figure shown, identify what is labeled by the letter C. * Ab 0=P-0- 0- Ribose sugar Phosphate Nitrogenous base None of the above H- D CH₂ B The 5' carbon H M N HH F OH H ОН N -H H C 2. In the same figure above, identify what is labeled by the letter D. * N N H N H 1 point
- Pls choose the best answer1. Which of the following is known as the blood sugar?A. MaltoseB. FructoseC. GlucoseD. Galactose 2. Sucrose is made ofA. two units of glucose linked by beta glycosidic bondB. two units of fructose linked by alpha glycosidic bondC. Glucose and fructoseD. two units of glucose linked by alpha glycosidic bond8) Consider the tetrasaccharide stachyose drawn below. Stachyose is found in white jasmine, soybeans, and lentils. Because humans cannot digest it, its consumption causes flatulence. HO How ОН OH stachyose OH HO HO OH HO OH OH OH OH «ОН a. Label all glycoside bonds. b. Classify each glycosidic linkage as a or ẞ and use numbers to designate its location between two rings (e.g., 1-4-3). c. What products are formed when stachyose is hydrolyzed with H,O"? d. Is stachyose a reducing sugar? e. What product is formed when stachyose is treated with excess CHI, Ag₂O? f. What products are formed when the product in (e) is treated with H₂O"?6. Treatment of cholesterol with mCPBA results in formation of a single epoxide A, with the stereochemistry drawn. Why isn't the isomeric epoxide B formed to any extent? H. H H HO HO A B
