A Mutation Results in a Form of Hemoglobin with Binding

question 27

Multiple Choice

A mutation results in a form of hemoglobin with binding sites for four molecules of oxygen but does not exhibit cooperative binding. Which of the following would result?

• A) Each hemoglobin molecule would bind only one molecule of oxygen.
• B) Oxygen would be delivered to the tissues more readily than in a normal individual.
• C) The oxygen- hemoglobin dissociation curve would be unaffected.
• D) Both A and C would occur.
• E) None of the above would result.