Amino Acids lecture 3

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Last updated 6:15 AM on 9/21/26
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8 Terms

1
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What are amino acids used to build?
Proteins.
2
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What part of an amino acid determines its chemical characteristics?
The R-group or side chain.
3
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What are the four amino acid side-chain classifications emphasized in lecture?
Nonpolar, polar uncharged, acidic, and basic.
4
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What type of R-group does a nonpolar amino acid have?
A side chain with little or no polar character, usually rich in carbon and hydrogen.
5
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What type of R-group does a polar uncharged amino acid have?
A polar side chain with no net charge.
6
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What charge do acidic amino acid side chains generally have?
Negative.
7
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What charge do basic amino acid side chains generally have?
Positive.
8
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What is an essential amino acid?
An amino acid that must be obtained from the diet because the body cannot make enough of it.