A typical red blood cell contains about 270 million hemoglobin molecules. If one red blood cell bound the maximum amount of O2 as it passed through the lungs, how many molecules of oxygen could it theoretically carry to the tissues?

given,

a typical RBC contains about 270 million hemoglobin molecules.

one Hb molecule carries 4 oxygen molecules.

  1 Hb molecule contains = 4 O₂ molecules.

then, 270 million Hb will contain = 270×4 million O₂ molecules.

                                                      = 1080 million  O₂ molecules.

theoretically, it is possible.

Explanation:

hemoglobin has two alpha and two beta subunits. each subunits contains 1 molecule of oxygen. 98.5%  O₂ is bond to hemoglobin.

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

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