MCAT Biochemistry (Personal) Flashcards

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1
Q

Why is the hemoglobin binding curve for oxygen sigmoidal?

A

The four subunits of hemoglobin actually bind to oxygen cooperatively, meaning the binding of oxygen to one of the four subunits will increase the likelihood that the remaining sites will bind with oxygen as well.

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2
Q

What is the pressure and temperature at STP?

A

Pressure is 1 atm, temperature is 273 Kelvin

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