
Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Textbook Question
Chapter 17.13, Problem 1CR
Why might H2
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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:
Biology Question
This entire structure (Pinus pollen cone) using lifecycle terminology is called what?
Chapter 17 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 17.1 - Since cells of Halobacterium require high levels...Ch. 17.1 - What benefit does bacteriorhodopsin confer on...Ch. 17.1 - Contrast the roles of bacteriorhodopsin,...Ch. 17.2 - Prob. 1MQCh. 17.2 - Prob. 2MQCh. 17.2 - Prob. 1CRCh. 17.3 - Prob. 1MQCh. 17.3 - Prob. 2MQCh. 17.3 - What two major physiological features unify...Ch. 17.4 - Prob. 1MQ
Ch. 17.4 - Prob. 2MQCh. 17.4 - Prob. 1CRCh. 17.5 - Prob. 1MQCh. 17.5 - Prob. 2MQCh. 17.5 - Prob. 1CRCh. 17.6 - Prob. 1MQCh. 17.6 - Prob. 2MQCh. 17.6 - Prob. 1CRCh. 17.7 - Prob. 1MQCh. 17.7 - Prob. 1CRCh. 17.8 - What form of energy metabolism is widespread among...Ch. 17.8 - Prob. 2MQCh. 17.8 - Prob. 1CRCh. 17.9 - Prob. 1MQCh. 17.9 - Prob. 2MQCh. 17.9 - Prob. 1CRCh. 17.10 - What can we conclude about the...Ch. 17.10 - Prob. 2MQCh. 17.10 - Prob. 1CRCh. 17.11 - Prob. 1MQCh. 17.11 - Why would it be impossible for organisms to grow...Ch. 17.11 - What organism is the current record holder for the...Ch. 17.12 - How do hyperthermophiles keep proteins and DNA...Ch. 17.12 - How are the lipids and ribosomes of...Ch. 17.12 - What is reverse DNA gyrase and why is it important...Ch. 17.13 - What phylogenetic and physiological evidence...Ch. 17.13 - Prob. 2MQCh. 17.13 - Which chemolithotrophic lifestyle seems best...Ch. 17.13 - Why might H2 metabolism have evolved as a...Ch. 17 - Using the phylogenetic tree in Figure 17.1 as a...Ch. 17 - Prob. 2AQ
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