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The ylide used in this reaction is described as ‘stabilized’. What does that mean?
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- d) 1.EtMgBr PCC HO- CH2CI2 2. H20 AH₂N Combination of two or more protein units 7. Which type of cross-link involves interactions between two cysteine amino acids? 8. Which type of cross-link would form between the following amino acids? Η Ο || H₂N-C-C-OH T CH₂ C=O NH₂ Η Ο LL H₂N-C-C-OH T CH₂ OH 9. To what main enzyme class do the nzym that catalyze the following reaction belong? (oxidoreductases, transferases, hydrolases, lyases, isomerases, ligases) HO | || I c-c-N-C-COO + H₂O IT HR₂ R₁ H 1 This bond is cleaved H H₂N-C-COOⓇ I R₂ Wilter navy q H I H₂N-C-C00 1 R₁ •Qisulfide 10. Briefly explain the Lock and Key enzyme model.H,/ Pd on C 14.
- The functional group labeled "F" is a(n) A B C1O HIO O CO=O E O O PIO HINIH D Phosphate group O Carboxyl group O Carbonyl (ketone) group O Hydroxyl group O Carbonyl (aldehyde) group -0. O O 310 HIC-C-C-c-c-c-C-C-C-CICIOIH FIndicate which compounds below can have diastereomers and which cannot. ni See Perlodic Table C Items (6 images) (Drag and drop into the appropriate area below) Br Br Br H. F Br OH OH OH Br OH BrltnEt3 N DME/ Me Sich 50 LDA/DMELC H₂0
- Identify the following antioxidant molecule. A. alpha tocopherol hydroquinone B.dehydroascorbic acid CH3 CH3 C. alpha tocopherol semi-quinone \ / D. ascorbic acid C = C E. alpha tocopherol quinone / \ : O – C C – O CH3 \\ // \ / C – C C – CH2–CH2–CH2–CH–CH2–CH2–CH2–CH–CH2–CH2–CH2–CH–CH3 / \ / l l l CH3 CH2– CH2…Please write the chemical reaction in fluorescence Riboflavin (Vitamin B2) + Acetic Acid C17H20N4O6 + CH3COOH----->Combine these amino acids into a tripeptide. Add or remove atoms and bonds as needed. Select Draw Rings More Erase / // III 0 H Atom Decorati || H H H H H C H 1 1 XXXF О-Н N H N C H H H CH₂ H₂C H CH₂ H₂C CH₂ 4 → 0
- Match the following amino acids with their chemical properties H -N-CIC- A -A ✓ B но с D VE ✓ F ✓ G / CH3 CH3 CH B H но -N-C-C- feed C но -N-C-C- H CH₂ D HO -N-CIC- 1 H CH₂ OH E но ||| -N-C-C- II H CH₂ I CH₂ CH₂ CH₂ T NH3 I. Acidic II. Nonpolar III. Polar uncharged IV, Basic + F O HO -N-C-C- H CH₂ NH₂ G но | || -N-C-C- I H CH₂ 1AH = - 1.2 kcal/mol; Kp = 16 nM OH 1 HO AH = - 6.0 kcal/mol; N. Kp = = 76 nM OH 2 HOl. AH = - 5.5 kcal/mol; Kp = 0.5 nM OH (iii) By considering the enthalpies given, what do you think this suggests about the target (e.g. the binding pocket of an enzyme) that the molecule binds to?. Identify the following antioxidant molecule. A. alpha tocopherol hydroquinone dehydroascorbic acid CH3 CH3 C. alpha tocopherol semi-quinone \ / D. ascorbic acid C = C E. alpha tocopherol quinone / \ : O – C C – O CH3 \\ // \ / C – C C – CH2–CH2–CH2–CH–CH2–CH2–CH2–CH–CH2–CH2–CH2–CH–CH3 / \ / l l l CH3 CH2– CH2 CH3 CH3 CH3