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Chemistry of Proteins and Hemoglobin.
1. Protein A has a binding site for ligand X with a Kdof 10-6M. Protein B has a binding site for ligand X with a Kdof 10-9M. Which protein has the higher affinity for ligand X?
2. What is the effect of the following changes on the O2 affinity of hemoglobin? (a) A decrease in the blood pH from 7.4 to 7.2. (b) A decrease in the partial pressure of CO2in the lungs from 6 kPa (holding one\'s breath) to 2 kPa (normal). (c) An increase in the BPG level from 5 mM (normal altitudes) to 8 mM (high altitudes). For (c), also consider fetal hemoglobin.
3. Under appropriate conditions, hemoglobin dissociates into its four subunits. The isolated α subunit binds oxygen, but the O2-saturation curve is hyperbolic rather than sigmoid. In addition, the binding of oxygen to the isolated α subunit is not affected by the presence of H+, CO2, or BPG. What do these observations indicate about the source of the cooperativity in hemoglobin?
What is the total electronic energy
Sodium Bisulfite UseThe non-shrinking, non-warping nature of ultramarine blue, along with its exceptional heat and light stability has led to the development of a range of high quality ultramarine blue pigments specifically for masterbatchs applicati..
Solving this question helps the student to understand how to find the limiting reactant and how much product is produced and What mass of product may be produced?
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