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Answer to Question #4760 in Microbiology for Lisa
Question #4760
Whic of the following amino acid has a R-group that acts as a strong base?
a. asparagine
b. trytophan
c. arginine
d. glutamine
e. cysteine
a. asparagine
b. trytophan
c. arginine
d. glutamine
e. cysteine
Expert's answer
c. arginineArginine has a R-group that acts as a strong base, because pKR=12,48. That’s why at physiological pH Arg has a “+”-charge.
The NH-group is able to add H+ is a strong base.
The NH-group is able to add H+ is a strong base.
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