The relationship between hemoglobin and oxygen is dependent on the affinity between the two molecules, which describes the degree to which hemoglobin will bind oxygen. There are several factors that can change hemoglobin's affinity for oxygen, including the partial pressure of carbon dioxide, temperature, and plasma pH. What describes the affinity between oxygen and hemoglobin?

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

the answer is c.the valence of the atoms combine .