Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
8th Edition
ISBN: 9780134015187
Author: John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher: PEARSON
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Chapter 23.7, Problem 23.4CIAP
Interpretation Introduction
Interpretation:
The
Concept introduction:
Eicosanoids:
The molecules formed from enzymatic and non-enzymatic oxidation of arachidonic acid or any other poly unsaturated fatty acids which are similar to arachidonic acid.
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Consider the structure of the tripeptide (in its fully protonated form) below.
H
H
H
+ I ||
H₂N-C-C-N-C-C-N-C-C-OH
1
I |
H CH₂ H CH₂
CH₂
T
C=O
OH
AA1
0=0
||
HC-CH3
CH3
AA2
AA3
0=C
1. Give the sequence of the tripeptide using the ONE-LETTER DESIGNATION (UPPERCASE LETTER) with NO spaces and symbols between each letter.
2. How many ionizable groups are there in the tripeptide? Give the numerical value (e.g., 10 not ten).
• pH 10: {Choices: -2, -1, 0, +1, +2}
3. Which amino acid residue has one ionizable group left upon forming the tripeptide? {Choices: AA1, AA2, AA3, none, all}
4. Give the net charge of the dominant structure of the tripeptide at the given pH values. The pK, values of the amino acids are given in Table 1.
• pH 4: {Choices: -2, -1, 0, +1, +2}
On the diagram above, draw a line across each peptide bond in oligopeptide 3a. Write the single-letter sequence.
On the diagram above, circle all the chiral centres in oligopeptide 3a.
Complete the Table below to indicate, for oligopeptide 3a, the charges on ionisable groups and the net overall charge at pH 7 and at pH 11.
What moieties within oligopeptide 3a are those mainly responsible for the formation of an alpha-helix? Name the process that leads to the unfolding of the alpha helix to yield a random coil.
State and justify, for oligopeptide 3a, which amino acid side chains will be involved in: hydrophilic interactions, hydrophobic interactions, disulphide bridges and salt bridges. In each case, briefly justify your choice.
Draw the following Lipids in:
A) Condensed (detailed) Structure,
B) its Block Diagram.C) Show/Indicate the type of linkages per structure (put an arrow).
4) Sphingolipid/Sphingophospholipid (use sphingosine, myristic acid, phosphate, and choline for amino alcohol);
Chapter 23 Solutions
Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
Ch. 23.1 - Use Figure 23.1 to identify the family of lipids...Ch. 23.2 - Prob. 23.2PCh. 23.2 - Prob. 23.3PCh. 23.2 - Prob. 23.4KCPCh. 23.3 - Prob. 23.1CIAPCh. 23.3 - Prob. 23.2CIAPCh. 23.3 - Prob. 23.3CIAPCh. 23.3 - Prob. 23.5PCh. 23.3 - Prob. 23.6PCh. 23.3 - Prob. 23.7KCP
Ch. 23.4 - Prob. 23.8PCh. 23.4 - Prob. 23.9PCh. 23.4 - Prob. 23.10PCh. 23.4 - Prob. 23.11PCh. 23.5 - Prob. 23.12PCh. 23.5 - Draw the structure of the sphingomyelin that...Ch. 23.5 - Draw the structure of the glycerophospholipid that...Ch. 23.5 - Prob. 23.16PCh. 23.7 - Prob. 23.17KCPCh. 23.7 - Prob. 23.4CIAPCh. 23.7 - Prob. 23.6CIAPCh. 23.7 - Prob. 23.7CIAPCh. 23.7 - Prob. 23.8CIAPCh. 23.7 - Prob. 23.18PCh. 23.7 - Prob. 23.19PCh. 23.7 - Prob. 23.20KCPCh. 23 - The fatty acid composition of three...Ch. 23 - Prob. 23.23UKCCh. 23 - According to the fluid-mosaic model (Figure 23.7),...Ch. 23 - Dipalmitoylphosphatidylcholine (DPPC) is a...Ch. 23 - Prob. 23.26APCh. 23 - Prob. 23.27APCh. 23 - Prob. 23.28APCh. 23 - Prob. 23.29APCh. 23 - Differentiate between saturated, monounsaturated,...Ch. 23 - Are the carboncarbon double bonds in naturally...Ch. 23 - Prob. 23.32APCh. 23 - Prob. 23.33APCh. 23 - Which of these fatty acids has the lower melting...Ch. 23 - Which of these fatty acids has the higher melting...Ch. 23 - Prob. 23.36APCh. 23 - Prob. 23.37APCh. 23 - Prob. 23.38APCh. 23 - Prob. 23.39APCh. 23 - What function does a wax serve in a plant or...Ch. 23 - Prob. 23.41APCh. 23 - Prob. 23.42APCh. 23 - What kind of lipid is spermacetia fat, a wax, or a...Ch. 23 - Prob. 23.44APCh. 23 - Prob. 23.45APCh. 23 - Prob. 23.46APCh. 23 - Prob. 23.47APCh. 23 - Prob. 23.48APCh. 23 - Prob. 23.50APCh. 23 - Prob. 23.52APCh. 23 - Prob. 23.53APCh. 23 - Describe the difference between a triacylglycerol...Ch. 23 - Why are glycerophospholipids, rather than...Ch. 23 - Prob. 23.56APCh. 23 - Prob. 23.57APCh. 23 - Why are glycerophospholipids more soluble in water...Ch. 23 - Prob. 23.59APCh. 23 - Prob. 23.60APCh. 23 - Prob. 23.61APCh. 23 - Draw the structure of a glycerophospholipid that...Ch. 23 - Prob. 23.63APCh. 23 - What is a major function of cholesterol in your...Ch. 23 - Prob. 23.65APCh. 23 - Prob. 23.66APCh. 23 - Prob. 23.67APCh. 23 - Explain how a micelle differs from a membrane...Ch. 23 - Prob. 23.69APCh. 23 - Prob. 23.70APCh. 23 - Prob. 23.71APCh. 23 - Prob. 23.72APCh. 23 - Prob. 23.73APCh. 23 - Prob. 23.74APCh. 23 - Prob. 23.75APCh. 23 - Draw the structure of a triacylglycerol made from...Ch. 23 - Prob. 23.79CPCh. 23 - Prob. 23.80CPCh. 23 - Explain why cholesterol is not saponifiable.Ch. 23 - Draw cholesterol acetate. Is this molecule...Ch. 23 - Prob. 23.83CPCh. 23 - Prob. 23.84CPCh. 23 - Prob. 23.85CPCh. 23 - Prob. 23.86CPCh. 23 - Prob. 23.88GP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.Similar questions
- Draw the following Lipids in: A) Condensed (detailed) Structure, B) its Block Diagram. C) Show/Indicate the type of linkages per structure (put an arrow). 5) Glycosphingolipid/Sphingoglycolipid (use sphingosine, stearic acid, and D-galactose);arrow_forwardClassify the fatty acid with the following structural formula in the ways indicated.a. What is the type designation (SFA, MUFA, or PUFA) for this fatty acid? b. On the basis of carbon chain length and degree of unsaturation, what is the numerical shorthand designation for this fatty acid?c. To which “omega” family of fatty acids does this fatty acid belong? d. What is the “delta” designation for the carbon chain double-bond location for this fatty acid?arrow_forwardConvert each of the following chair conformations to an open-chain from and to a Fischer projection. Name the monosaccharides you have drawn. a) но b) CH2OH но CH2OH но- он но OH OH ноarrow_forward
- Classify the fatty acid with the following structural formula in the ways indicated. a. What is the type designation (SFA, MUFA, or PUFA) for this fatty acid? b. On the basis of carbon chain length and degree of unsaturation, what is the numerical shorthand designation for this fatty acid? c. To which "omega" family of fatty acids does this belong? d. What is the "delta" designation for the carbon chain double-bond locations for this fatty acid? Note: There are 2 items in the photo.arrow_forwardDraw the structures of L-Cysteine from highly protonated to depronated form. Note Structure A as the most protonated form. Provide the charge of each structure. (Answer structure A and B pls)arrow_forwardClassify the fatty acid with the following structural formula in the ways indicated. COOH a. What is the type designation (SFA, MUFA, or PUFA) for this fatty acid? b. On the basis of carbon chain length and degree of unsaturation, what is the numerical shorthand designation for this fatty acid? c. To which "omega" family of fatty acids does this fatty acid belong? d. What is the “delta" designation for the carbon chain double-bond location for this fatty acid?arrow_forward
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