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3. Amino Acids

Charged Amino Acids

3. Amino Acids

Charged Amino Acids

Multiple Choice
In the context of charged amino acids, a basic amino acid has an R group that contains which of the following functional groups that can accept a proton and become positively charged at physiological pH?
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Multiple Choice
Which amino acid commonly forms disulfide bonds in proteins through oxidation of its thiol ( $- S H$ ) side chain?
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Multiple Choice
In the context of charged amino acids, a basic amino acid has a side chain that contains which functional group that can accept a proton and become positively charged at physiological pH?
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Open Question
Draw in the R-groups from memory for each of the charged amino acids at physiological pH.
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Open Question
Fill-in the missing R-groups for the following peptide from memory: H-E-K. Circle the acidic amino acids.
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Multiple Choice
Which of the following amino acids does not have a basic R-group?
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Multiple Choice
Circle all the following amino acids with a basic R-group?
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