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Concept explainers
a.
To draw:
The structure of alanine and mark an asterisk (*) next to any chiral carbon centers.
Introduction:
Amino acids contain a protonated
a.
![Check Mark](/static/check-mark.png)
Explanation of Solution
Alanine is a non essential amino acid. The three letter abbreviation of alanine is “Ala” and the one letter code is “A”. The side chain of alanine contains hydrocarbon as functional group.
Pictorial representation:
The structure of amino acid Alanine.
Fig 1: The structure of amino acid Alanine (Ala, A).
b.
To determine:
The structure of lysine and mark an asterisk (*) next to any chiral carbon centers
Introduction:
Amino acids contain a protonated amine and a carboxylic acid in the form of carboxylate ion. These two functional groups are bonded to a central carbon atom called the alpha-carbon. The protonated amine bonded to this carbon is called alpha-amino group and the carboxylate ion as the alpha carboxylate group. The alpha-carbon is also bonded to a hydrogen atom and a large side chain designated as R, which gives unique identification and characteristics to each amino acids.
b.
![Check Mark](/static/check-mark.png)
Explanation of Solution
Lysine is an essential amino acid. The three letter abbreviation of lysine is “Lys” and the one letter code is “K”. The side chain of lysine contains protonated amine as functional group.
Pictorial representation: The structure of amino acid Lysine.
Fig 2: The structure of amino acid Lysine (Lys, K).
c.
To determine:
The structure of tryptophan and mark an asterisk (*) next to any chiral carbon centers
Introduction:
Amino acids contain a protonated amine and a carboxylic acid in the form of carboxylate ion. These two functional groups are bonded to a central carbon atom called the alpha-carbon. The protonated amine bonded to this carbon is called alpha-amino group and the carboxylate ion as the alpha carboxylate group. The alpha-carbon is also bonded to a hydrogen atom and a large side chain designated as R, which gives unique identification and characteristics to each amino acids.
c.
![Check Mark](/static/check-mark.png)
Explanation of Solution
Tryptophan is an essential amino acid. The three letter abbreviation of tryptophan is “Trp” and the one letter code is “W”. The side chain of tryptophan contains
Pictorial representation:
The structure of amino acid Tryptophan.
Fig 3: The structure of amino acid Tryptophan (Trp, W).
d.
To determine:
The structure of aspartate and mark an asterisk (*) next to any chiral carbon centers
Introduction:
Amino acids contain a protonated amine and a carboxylic acid in the form of carboxylate ion. These two functional groups are bonded to a central carbon atom called the alpha-carbon. The protonated amine bonded to this carbon is called alpha-amino group and the carboxylate ion as the alpha carboxylate group. The alpha-carbon is also bonded to a hydrogen atom and a large side chain designated as R, which gives unique identification and characteristics to each amino acids.
d.
![Check Mark](/static/check-mark.png)
Explanation of Solution
Aspartate is a non essential amino acid. The three letter abbreviation of aspartate is “Asp” and the one letter code is “D”. The side chain of aspartate contains carboxylate as functional group.
Pictorial representation:
The structure of amino acid Aspartate.
Fig 4: The structure of amino acid Aspartate (Asp, D)
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Chapter 10 Solutions
General, Organic, and Biological Chemistry (3rd Edition)
- Redraw the flowchartarrow_forwardredraw the flowchart with boxes and molecules written in themarrow_forwardPart I. a) Elucidate the structure of compound A using the following information. • mass spectrum: m+ = 102, m/2=57 312=29 • IR spectrum: 1002.5 % TRANSMITTANCE Ngg 50 40 30 20 90 80 70 60 MICRONS 5 8 9 10 12 13 14 15 16 19 1740 cm M 10 0 4000 3600 3200 2800 2400 2000 1800 1600 13 • CNMR 'H -NMR Peak 8 ppm (H) Integration multiplicity a 1.5 (3H) triplet b 1.3 1.5 (3H) triplet C 2.3 1 (2H) quartet d 4.1 1 (2H) quartet & ppm (c) 10 15 28 60 177 (C=0) b) Elucidate the structure of compound B using the following information 13C/DEPT NMR 150.9 MHz IIL 1400 WAVENUMBERS (CM-1) DEPT-90 DEPT-135 85 80 75 70 65 60 55 50 45 40 35 30 25 20 ppm 1200 1000 800 600 400arrow_forward
- • Part II. a) Elucidate The structure of compound c w/ molecular formula C10 11202 and the following data below: • IR spectra % TRANSMITTANCE 1002.5 90 80 70 60 50 40 30 20 10 0 4000 3600 3200 2800 2400 2000 1800 1600 • Information from 'HAMR MICRONS 8 9 10 11 14 15 16 19 25 1400 WAVENUMBERS (CM-1) 1200 1000 800 600 400 peak 8 ppm Integration multiplicity a 2.1 1.5 (3H) Singlet b 3.6 1 (2H) singlet с 3.8 1.5 (3H) Singlet d 6.8 1(2H) doublet 7.1 1(2H) doublet Information from 13C-nmR Normal carbon 29ppm Dept 135 Dept -90 + NO peak NO peak 50 ppm 55 ppm + NO peak 114 ppm t 126 ppm No peak NO peak 130 ppm t + 159 ppm No peak NO peak 207 ppm по реак NO peakarrow_forwardCould you redraw these and also explain how to solve them for me pleasarrow_forwardNonearrow_forward
- Draw the curved-arrow mechanism with the drawings of the molecules, not just abbreviations. -NO₂ Sn, HCl (aq) E D H (CH3CO)₂O -NH2 CH3arrow_forwardWhat is/are the product(s) of the following reaction? Select all that apply. * HI A B C OD OH A B OH D Carrow_forwardIn the image, the light blue sphere represents a mole of hydrogen atoms, the purple or teal spheres represent a mole of a conjugate base. A light blue sphere by itself is H+. Assuming there is 2.00 L of solution, answer the following: The Ka of the left & right solution is? The pH of the left & right solution is? The acid on the left & right is what kind of acid?arrow_forward
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