EP FUND.OF GENERAL,ORG...-MOD.MASTERING
8th Edition
ISBN: 9780134326061
Author: McMurry
Publisher: PEARSON CO
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Chapter 23, Problem 23.65AP
Interpretation Introduction
Interpretation:
The function of bile acid has to be explained.
Concept introduction:
Bile acid:
The bile acids are essential for emulsification of fats and oils digestion in the daily diet.
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The carbon-nitrogen peptide bond is rigid, but rotation can take place
about the bond between the nitrogen and a-carbon atoms and the bond
between the a-carbon and the carbonyl carbon atom. These bond angles
define the conformation of the peptide chain.
Consider the Ramachandran plot shown to answer both questions.
fr (degrees)
180
120
8280
60
°
-60
Which observation most likely describes part of an observed a helix?
p=-59 degrees; y = +150 degrees; many Ser residues
qp=-140 degrees; w +130 degrees; many Val residues
qp=-57 degrees; y = -47 degrees; many Pro residues
qp=-60 degrees; y = -47 degrees; many Ala residues
p = +60 degrees; y = +40 degrees; many Gly residues
Which observations would not likely occur in a ẞ sheet?
qp=-59 degrees; y = -49 degrees; many Ala residues
qp = +60 degrees; w = +60 degrees; many Gly residues
qp=-120 degrees; y = +120 degrees; many Tyr residues
☐ ☐
qp=-139 degrees; y = +135 degrees; many Val residues
op=-51 degrees; w+153 degrees; many Gly and Pro…
Please give an intuitive explanation of the difference, if any, between toxicokinetics and pharmacokinetics.
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. The results from the trypsin,
chymotrypsin, and cyanogen bromide treatments are shown:
⚫ Trypsin digestion gave two fragments with multiple residues (not in order):
• T1: Ala, Arg, Phe, Gly, Thr, Trp, Tyr
o T2: Lys, Met, Val
Chymotrypsin digestion gave four fragments with multiple residues (not in order):
• CT1: Ala, Phe
• CT2: Thr, Trp
• CT3: Lys, Met, Tyr, Val
。 CT4: Arg, Gly
⚫ Treatment with cyanogen bromide yielded a single amino acid, methionine, and a nonapeptide.
What is a possible sequence of the decapeptide? Use three-letter abbreviations in your answer, and add a dash between
each residue.
Chapter 23 Solutions
EP FUND.OF GENERAL,ORG...-MOD.MASTERING
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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