Consider a Hypothetical Hemoglobin-Like Molecule with a Hill Coefficient (Constant)of

question 21

Multiple Choice

Consider a hypothetical hemoglobin-like molecule with a Hill coefficient (constant) of 1 and the same p₅₀ value as normal hemoglobin.Choose the statement below that best describes the two proteins.

• A)There is a cooperative interaction between oxygen-binding sites in both the hypothetical and normal hemoglobins.
• B)The hypothetical hemoglobin has a greater oxygen affinity than normal hemoglobin.
• C)The oxygen binding curve for the hypothetical hemoglobin is hyperbolic,and the curve for normal hemoglobin is sigmoidal.
• D)The two hemoglobins would be able to deliver about the same amount of oxygen to the tissues.
• E)At pO₂ less than p₅₀,normal hemoglobin has a greater Y_O2 value.

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