Choose the correct structure for thiamine hydrochloride at pH 10. H3C H3C N NH₂ NH₂ CI- `N A CI- с CH3 CH3 HCI OH 00 H3C H3C N NH3 NH₂ CI- B D CH3 CH3 S HC OH -OH
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- C6H12O6 is the chemical formula for a ________. polymer of carbohydrate pentose monosaccharide hexose monosaccharide all of the aboveChoose the correct structure for thiamine hydrochloride at pH 3. H3C H3C NH₂ NH₂ 'N CI- A CI- с CH3 CH3 S HCI OH N NH3 H3C N H3C CI- B NH₂ CH3 ** N CH3 D HCI -OH OHWhich of the following is least soluble in hexane? * COOH A^ А B с E D FM COOH COOH COOH COOH 1 p COOH
- An incomplete structure of a porphyrin ring is shown below. The structure is missing three pi bonds and does not show the non-zero formal charges on two atoms. Complete the structure of the porphyrin ring with the missing pi bonds and formal charges. 0 0 +t DC 12⁰ H C N O S F P Cl Br IDraw the structure and give the name of the epimers of the following monosaccharides ALDOTRIOSE CHO Carton taamber HOOH 3 CH,OH Dlilyeeraldehyde CHO 2 HCOH Carbon number ALDOTETROSES HCOH нон D-Erythrose CHO CHO HOCH HCOH Carbon uumbes HOOH HXOH SISOINIJOTTV HOOH HCOH CHOH CHLOH Arabinose (Ara) nXylose (Xyt) CHO CHO CHO CHO 2 HCOH HCOH HCOH HOCH 3 HCOH HOCH HCOH HOCH Carbon TRmber 1 HCOH HCOH HOCH HOCH 5 HOOH HCOH HCOH HCOH CHOH CHOH CHOH CHOH THGlucose (Gle) Allese -Gulose Talose ALDOHENOSESClassify the following lipid (choose all that apply). HO, O wax ester O cis alkene(s) O steroid fatty acid O omega-6 O saturated O monounsaturated O omega-3 O triglyceride O polyunsaturated O trans alkene(s) O O
- In the following monosaccharide hemiacetal, identify the anomeric carbon atom. Identify the appropriate atom by selecting an atom and assigning it a map number of 1. To do this, rigl mark to enable the Map field before entering a value. H: 122 EXP" CONT. 0 0 H но OH S Br OH [1] ÓH P. -Following are Fischer projections for a group of five-carbon sugars, all of which are aldopentoses. Identify the pairs that are enantiomers. CHO сно H-C- OH H-C-OH H-C- OH но-с — н н-с—он но- ČHOH ČH,OH сно CHO Н-с—он но—с— н H-C- OH H-C-OH но—с—н Н-с—он ČHOH ČH,OH сно сно н-с—он но—с —н но—с— н но -с — н H-C- OH но- C-H ČH,OH ČH,OHa) Use the carbonyl group, number of carbons, and type of stereochemistry (D or L) to classify the following monosaccharides. CH2OH O: CHO I но -H- HO- но -H- HOCH2 HO- -O- CH2OH H- OH CH2OH i.Compound A is a(n with stereochemistry. ii.Compound B is a(n) with stereochemistry.
- Describe the important biochemical properties of carbohydrates and why carbohydrates would be considered polar molecules. A▾ B I X @ F 7Determine the number of possible stereoisomers for the fol- lowing compounds: CH,OH C=0 CH,OH Но-с—н C=0 H-C-OH H-C-OH H-C-OH H-C-OH H-C-OH CH,OH CH,OH Ribulose SedoheptuloseConsider the following dipeptides: AC HE TG LR VK How many of the dipeptides in this group that would stick to an anion exchange column at pH-8? Please give me the whole number as the answer, 0, 1, 2 etc Amino Acid pKac pKaN pKaR 9.8 9.9 97 2.4 Glycine Alanine 23 Valios 222