Which of the Following Statements About Protein-Ligand Binding Is Correct

question 43

Multiple Choice

Which of the following statements about protein-ligand binding is correct?

• A)The K_a is equal to the concentration of ligand when all of the binding sites are occupied.
• B)The K_a is independent of such conditions as salt concentration and pH.
• C)The larger the K_a (association constant),the weaker the affinity.
• D)The larger the K_a,the faster is the binding.
• E)The larger the K_a,the smaller the K_d (dissociation constant).

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