HUMAN ANATOMY + PHYSIOLOGY + MAST AP
11th Edition
ISBN: 9780136782056
Author: Marieb
Publisher: INTER PEAR
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Chapter 5, Problem 22RQ
Summary Introduction
To review:
The cause of following phenomenon:
(a) Pimples
(b) Dandruff
(c) Greasy hair and shiny nose
(d) Stretch mark
(e) Freckles
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Glu-His-Trp-Ser-Gly-Leu-Arg-Pro-Gly
The pKa values for the peptide's side chains, terminal amino groups, and carboxyl groups are provided in the table.
Amino acid Amino pKa Carboxyl pKa Side-chain pKa
glutamate
9.60
2.34
histidine
9.17
1.82
4.25
6.00
tryptophan
9.39
2.38
serine
9.15
2.21
glycine
9.60
2.34
leucine
9.60
2.36
arginine
9.04
2.17
12.48
proline
10.96
1.99
Calculate the net charge of the molecule at pH 3.
net charge at pH 3:
Calculate the net charge of the molecule at pH 8.
net charge at pH 8:
Calculate the net charge of the molecule at pH 11.
net charge at pH 11:
Estimate the isoelectric point (pl) for this peptide.
pl:
Chapter 5 Solutions
HUMAN ANATOMY + PHYSIOLOGY + MAST AP
Ch. 5 - Prob. 1RQCh. 5 - 2. Which cell functions as part of the immune...Ch. 5 - 3. The epidermis provides a physical barrier due...Ch. 5 - Prob. 4RQCh. 5 - 5. The sensations of touch and pressure are picked...Ch. 5 - Which is not a true statement about the papillary...Ch. 5 - 8. Which of the following is not an epidermal...Ch. 5 - 9. An arrector pili muscle (a) is associated with...Ch. 5 - Prob. 9RQCh. 5 - 11. Sebum (a) lubricates the surface of the skin...
Ch. 5 - Prob. 11RQCh. 5 - Which epidermal cells contain keratohyaline and...Ch. 5 - Prob. 15RQCh. 5 - Prob. 20RQCh. 5 - Prob. 12RQCh. 5 - Why does skin wrinkle and what accelerates the...Ch. 5 - 17. Describe the process of hair formation, and...Ch. 5 - 20. Explain each of these familiar phenomena in...Ch. 5 - Prob. 16RQCh. 5 - 22. Why are there no skin cancers that originate...Ch. 5 - Prob. 24RQCh. 5 - Prob. 17RQCh. 5 - 1. Dean, a 40-year-old aging beach boy, is...Ch. 5 - Patients with third-degree burns demonstrate the...Ch. 5 - 3. Tanya, a 30-year-old resident of a mental...Ch. 5 - Prob. 26RQCh. 5 - 21-Year-Old Female with Deep Lacerations While...Ch. 5 - 21-Year-Old Female with Skeletal Injuries While...Ch. 5 - 21-Year-Old Female with Skeletal Injuries While...Ch. 5 - 21-Year-Old Female with Skeletal Injuries While...Ch. 5 - 21-Year-Old Female with Skeletal Injuries
While...
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