Which carbons are alpha carbons in this peptide?
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Which carbons are alpha carbons in this peptide? н І. || о Н АТ || B...
Given the formula representing a compound: О-І НЕС-Н Н Н 1 H-с-с-с-Н | | ннн Which formula represents an isomer of this compound? Hн ТІ H-C=C-C-C-H 3. 1. н н ннн | | | | C=C-C-C-H 11 Hн нннн IT IT H-с-с-с-с-Н | | | | нннн Hн Hнн 2 . н-с-с-с-н 4. Н H-C-H -О-І
1) Which bond is a peptide bond? 2) Which bond has the greatest polarity? 3) Which functional groups are hydrophobic? 4) which functional groups are hydrophilic? 5) Which functional group is an amino acid? 6) which functional group is an acid? (use the number to refer to the group) А В о н н н н он нон NTCICLN -С—N с — С-N. 6 н-с-н н н-С-н Ен н-с-н\ 5 С—N-н Н-с-Н S I3 H О—Н. С-Н С — н;...
Which of the following molecule is most acidic? Н он І ОН о ОН СІ ОН
Write the sequence of the peptide in single letter abbreviation. он н H н N н он н N н НО. HN HAN NH2
4. Circle and label the functional groups in the following compounds: Hн н-с-с-о-н Hн Hн Г N-C-H н н Hн н-с-с-с от Hн Н I-0-х O=O Hн Н | | | н-с-с-с-с 11 Н Н H О-Н Hн Hн 11 | | н-с-с-о-с-с-н | | | | Hн Hн
Electron pairs C N O Erase H C N: CНз — с — Н Н —о — н Write the first step using curved arrows to show electron reorganization OH Na CN HC-C-CEN +H-CEN H Electron pairs Erase Н—о — СНз H CHз — с — н Н—о —СН3 Write the first step of hemiacetal formation using curved arrows to show clectron reorganization O-H НC -CH-C-H CHOH H O-CH 1. HBr 2. Mg, ether 3. 4. HCI, H2O Draw the...
н* ОН о -с но он H Н E гон А B C D Select the two reactants that will give this product. ОА Ов ОС OD ОЕ OF
2. Which of the following is most likely a polar covalent bond? Na-C b. Н—Н d. KF а. Са—О е. С—N с.
5. Carbons and carbonyls. To which classes of sugars do the monosaccharides shown here belong? → 1 CHO н-с-он н-с-он CHO н-с-он н-с-он н-с-он Сн,он D-Ribose CHO н-с-он CH,OH D-Glyceraldehyde сн,он D-Erythrose о сн,он о сн,он сн,он Dihydroxyacetone н-с-он сн,он D-Erythrulose о сн,он о сн,он н-с-он н-с-он но-с-н н-с-он н-с-он Сн,он D-Fructose Сн,он D-Ribulose
EXERCISE Writing Reaction Mechanisms: The Claisen Condensation Electron pairs Na O-CH2- CH3 O Н O Н Erase CH2 CH3 Н-о H C Н-с С Н Н OEt 0Et Write the first step of this Claisen condensation using curved arrows to show electron reorganization O: 1) 1eq. NaOEt 2) cold dilute HC CH-с o-Et H-Ö-Et CH3-C-CH2- о-Et