EBK LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 8220103935432
Author: Sadava
Publisher: MAC HIGHER
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Chapter 45.4, Problem 5R
Summary Introduction
To review:
The reason due to which vision is impaired when the environment of individual changes from a bright sunlight to a dimly lit room.
Introduction:
The amacrine cells and the horizontal cells are specialized cells that help in the horizontal transfer of signals into the retina. The ganglionic connections are established with amacrine cells which help in adjusting the eye with respect to the outside environment.
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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
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histidine
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tryptophan
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serine
9.15
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glycine
9.60
2.34
leucine
9.60
2.36
arginine
9.04
2.17
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proline
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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:
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EBK LIFE: THE SCIENCE OF BIOLOGY
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