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Author Question: Which of the following is a definition of the isoelectric point of an amino acid? a. The pH at ... (Read 159 times)

captainjonesify

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on: Aug 23, 2018
Which of the following is a definition of the isoelectric point of an amino acid?
 a. The pH at which an amino acid has no net charge
  b. The pH at which the -NH2 group is completely protonated
  c. The melting point of an amino acid
  d. The conductivity of a 1 M solution of an amino acid in water

Question 2

What is the approximate value of the pKa of the -NH3+ of amino acids?
 a. 2
  b. 5
  c. 9
  d. 12

Question 3

What is the approximate value of the pKa of the -CO2H of amino acids?
 a. 2
  b. 5
  c. 9
  d. 12


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T4T

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Reply #1 on: Aug 23, 2018
Answer to Question 1

a

Answer to Question 2

c

Answer to Question 3

a


captainjonesify

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Reply #2 on: Aug 23, 2018
Both answers were spot on, thank you once again


T4T

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Reply #3 on: Aug 23, 2018
Great! Please up vote :D


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