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Adult hemoglobin has less affinity for oxygen than fetal hemogloblin. That is why, as an adult female's blood passes BY the placenta, the oxygen diffusses into the fetal blood. Likewise, adult blood, having explelled the carbon dioxide during exhalation, has less concentration of carbon-dioxide than the fetal blood, so it diffuses out of fetal blood into the adult blood. That way, the fetus doesn't need respiration as an oxygen source, nor as a way to rid of waste and carbon dioxide.

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Q: Fetal hemoglobin or hemoglobin F does not bind oxygen as well as adult hemoglobin hemoglobin A?
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Related questions

How does baby blood differ from adult blood?

fetal hemoglobin differs most from adult hemoglobin in that it is able to bind oxygen with greater affinity than the adult form, giving the developing fetus better access to oxygen from the mother's bloodstream.


Does carbon monoxide bind to hemoglobin or oxygen better?

Carbon monoxide bind easily to hemoglobin.


What does hemoglobin bind with?

Mostly oxygen.


What small molecules bind to hemoglobin?

Carbon dioxide and BPG bind to amino acids located on hemoglobin. Oxygen molecules bind to the iron molecules located in the heme. Each hemoglobin molecule can carry up to four oxygen molecules, one on each of the four iron molecules. Nitric oxide can also bind to hemoglobin when either oxygen or carbon dioxide are bound to the hemoglobin.


What are the two chemicals that bind with hemoglobin?

Oxygen is one


Which substance in red blood cells joins with oxygen?

Hemoglobin is a complex protein with iron groups inside it that bind to oxygen.


What two gases bind to hemoglobin?

Oxygen and carbon monoxide


Does oxygen and carbon dioxide bind to different parts of hemoglobin?

yes


WHen hemoglobin binds its first oxygen molecule it is easier for other?

after one oxygen molecule binds to hemoglobin, it is easier for the other molecules to bind to the hemoglobin. this is known as cooperative binding.


How many molecules of oxygen bind to one molecule of hemoglobin?

Haemoglobin combines with four molecules of oxygen.


Each hemoglobin molecule is able to transport molecules of oxygen.?

False. The mammalian hemoglobin molecule can bind (carry) up to four oxygen molecules.


How many oxygen molecules bind to myoglobin?

1 Each myoglobin molecule has one heme group and can bind one oxygen molecule. Hemoglobin on the other hand can bind up to 4 molecules of oxygen.