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What fraction of this residue will be charged

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Reference no: EM131709016

Querstion - If the pKa of a histidine residue in the active site of an enzyme has been shifted to 5.1 and the pH of the organelle containing the enzyme is 5.5, what fraction of this residue will be + charged?

a. 28%

b. 40%

c. 55%

d. 67%

e. 75%

Reference no: EM131709016

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