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- Consider the tetrasaccharide stachyose drawn below. Stachyose is found in white jasmine, soybeans, and lentils. Because humans cannot digest it, its consumption causes flatulence.a. Label all glycoside bonds.b. Classify each glycosidic linkage as α or β and use numbers to designate its location between two rings (e.g., 1→4-β).c. What products are formed when stachyose is hydrolyzed with H3O+?d. Is stachyose a reducing sugar?e. What product is formed when stachyose is treated with excess CH3I, Ag2O?f. What products are formed when the product in (e) is treated with H3O+?16. Which of the following compounds are formed when propene is bubbled into an aqueous solution of bromine. A. CH3CHBRCH₂Br B. CH₂BrCH₂CH₂Br C. CH3CH(OH)CH₂Br D. CH3CH₂CHB12 17. What is the expected product for the following reaction below: CH3CH=CH-CH3 + H₂/Pt------→? A.Methane B. Ethane C. Propane D. Butane 18. Following Markovnikov's Rule, which is the expected product for the following reaction? CH2=CH-CH-CH3 + HBr ----→?your name, and ID on your scantron. 1. The following Haworth projection for sure is? a. d 2. The compound is question 1 is? a alpha a. danose b/D 3. The compound in question 1 is a? furanose a. b. beta fructose HO b. galactose c./ 4. The compound is question 1 is a closed form of? OH c. gamma OH c. pyranose cglucose FOH OH d. L d. epsilon d. thanose d. sucrose e. not a.-d. e. not a.-d. e. not a.-d. e. not a.-d. try a. -C t
- d) 1.EtMgBr PCC HO- CH2CI2 2. H20 AIn addition to have polyalcohol groups, what functional group(s) do monosaccharides have? O a. aldehyde group O b. both ketone and aldehyde groups O C. ether group O d. either ketone or aldehyde group e. ketone group Jump to... You are logged in as Alanie Fontenot (Log out) CHEM 1001/LEC/001X-2021/SPRING/SEMneed some help with this question can you help with the first part
- Lit CH3I LDA) CH3I C12 Hcl /H2O LDA 2) BrA1c Select ONE peptide linkage and draw a circle around all of the atoms that would lie in a single plane. H R2 | H H;Ñ. || C. N R, H H R3 H Ilt. O=0B4. CH₂OH H H но. H CH₂OH OH H AR Zeval O OH H H HO H O H OH OH H OH H OH H OH OH/ H H Lactose H OH НО. H OH H H Sucrose The structures of the disaccharides lactose and sucrose are shown above. a) Identify the monosaccharide residue that is common to both disaccharides. OH b) Identify and explain the diastereomeric relationship between two of the monosaccharide units in these sugars. c) Draw a simple mechanism for the lactase-catalyzed cleavage of the glycosidic bond in lactose. d) Explain why lactose and sucrose give different results in the Benedict's test.
- Can you please answer questions 37 and 38?Glycosaminoglycans (GAGs) are heteropolysaccharides composed of repeating disaccharide units. These units have some similar characteristics that allow them to be identified as GAGS. Which of the structures are examples of glycosaminoglycans? А. C. E. HO HO COO™ H Н ОН Н CH₂OH H H H OH OH Н CH₂OH Н OH H ОН o,so H H Н CH₂OH H H ОН H CH₂OSO H NH C=0 CH, H H Н NH c=0 CH3 H CH,OH OH Н ОН OH H B. D. Н НО H ОН H CH₂OH H ОН Н СОО ОН Н Н H H OSoz H Н OH б H CH₂OH ОН CH₂OSO H ОН H Н OSO, H Н NHSO,Which monosaccharide is a-glucose? CH,OH CH,OH CH;OH CH,OH H. H. OH H. OH HO. H. OH H. H. H. HO. H. OH H. H. H. OH H. H. H. OH H. H. H. H. H. C OD O B O C OA A,