Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 4SQ
A paleontologist has recovered a bit of organic material from the 400-year-old preserved skin of an extinct dodo. She would like to compare DNA from the sample with DNA from living birds. The most useful method for initially increasing the amount of dodo DNA available for testing is _____.
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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
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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:
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net charge at pH 8:
Calculate the net charge of the molecule at pH 11.
net charge at pH 11:
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pl:
Biology Question
This entire structure (Pinus pollen cone) using lifecycle terminology is called what?
Chapter 12 Solutions
Campbell Essential Biology (7th Edition)
Ch. 12 - Suppose you wish to create a large batch of the...Ch. 12 - A carrier that moves DNA from one cell to another,...Ch. 12 - Prob. 3SQCh. 12 - A paleontologist has recovered a bit of organic...Ch. 12 - Why do DNA fragments containing STR sites from...Ch. 12 - What feature of a DNA fragment causes it to move...Ch. 12 - After a gel electrophoresis procedure is run, the...Ch. 12 - Name the steps of the whole-genome shotgun method.Ch. 12 - Put the following steps of human gene therapy in...Ch. 12 - For each statement, identify which major theme is...
Ch. 12 - Prob. 11IMTCh. 12 - For each statement, identify which major theme is...Ch. 12 - Some scientists once joked that when the DNA...Ch. 12 - Interpreting Data When comparing genomes from...Ch. 12 - Listed below are 4 of the 13 genome sites used to...Ch. 12 - In the not-too-distant future, gene therapy may be...Ch. 12 - Today, it is fairly easy to make transgenic plants...Ch. 12 - 18. In October 2002, the government of the African...Ch. 12 - From 1977 to 2000, 12 convicts were executed in...
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