Charged Amino Acids
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Question 1 of 4
1. Question
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Question 2 of 4
2. Question
What is the change in net charge for variant II shown in table 1?
Variant Mutations I D45K, F56L, L89E, G98T, R103I II D45T, F56R, L89E III D45P, F56R, L89V, G98Y, R103K CorrectIncorrect -
Question 3 of 4
3. Question
What is the change in net charge for variant III shown in table 1?
Variant Mutations I D45K, F56L, L89E, G98T, R103I II D45T, F56R, L89E III D45P, F56R, L89V, G98Y, R103K CorrectIncorrect -
Question 4 of 4
4. Question
The isoelectric point (pI) of an amino acid (the pH at which the net charge is zero) is highly dependent on an amino acid’s side chain. Acidic side chains, like carboxylic acids, decrease the pI while basic side chains, like amines, increase the pI. Which of the following amino acids would have the lowest pI?
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