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Questions and Answers
What is the purpose of the dates and page numbers mentioned in the text?
What is the purpose of the dates and page numbers mentioned in the text?
Why are the same dates and page numbers repeated multiple times in the text?
Why are the same dates and page numbers repeated multiple times in the text?
What is the most likely reason for including 'Page X of Y' in the text?
What is the most likely reason for including 'Page X of Y' in the text?
How many amino acids are found as constituents of mammalian proteins?
How many amino acids are found as constituents of mammalian proteins?
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What distinguishes proline from other amino acids?
What distinguishes proline from other amino acids?
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At what pH is the carboxyl group of amino acids dissociated?
At what pH is the carboxyl group of amino acids dissociated?
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What is the configuration of all the amino acids found in proteins?
What is the configuration of all the amino acids found in proteins?
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Where are D-amino acids found according to the text?
Where are D-amino acids found according to the text?
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Proline contains an imino group (-NH) instead of an amino group (-NH2)
Proline contains an imino group (-NH) instead of an amino group (-NH2)
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Only 19 amino acids found in proteins have a carboxyl group (-COOH) and an amino group (-NH2) bound to the same carbon atom called the α-carbon
Only 19 amino acids found in proteins have a carboxyl group (-COOH) and an amino group (-NH2) bound to the same carbon atom called the α-carbon
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All the amino acids found in proteins are of the D-configuration (amino group on the left of α-carbon)
All the amino acids found in proteins are of the D-configuration (amino group on the left of α-carbon)
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There are approximately 20 amino acids present in various animal, plant, and microbial systems
There are approximately 20 amino acids present in various animal, plant, and microbial systems
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At physiologic pH (approximately pH 7.4), the carboxyl group is dissociated, forming the negatively charged carboxylate ion (– COO –), and the amino group is protonated(– NH 3+)
At physiologic pH (approximately pH 7.4), the carboxyl group is dissociated, forming the negatively charged carboxylate ion (– COO –), and the amino group is protonated(– NH 3+)
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