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Hemoglobin Molecules

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Q: Mature red blood cells in the circulating blood are filled with what?
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Mature red blood cells have two nuclei?

red blood cells gradually become filled with hemoglobin, their nuclei and other organelles are forced out. Thus, mature red blood cells do not have nuclei.


Does the mature red blood cell have two nuclei?

As red blood cells gradually become filled with hemoglobin, their nuclei and other organelles are forced out. Thus, mature red blood cells do not have nuclei.


What are mature red blood cells filled with?

Mostly hemoglobin, which give blood its red color. The red blood cells also help carry oxygen throughout the body.


What is erythrocytosis?

An abnormal increase in the number of circulating red blood cells.


Do mature erythrocytes contain hemoglobin in their cytoplasm?

Yes, mature erythrocytes are still cells and are still living. In most mammals the circulating red blood cells do not have nuclei, so they are unable to repair themselves when damaged and eventually die due to the accumulated damage.


Does mature red blood cells have chromosomes?

No. Mature red blood cells have neither a nucleus nor chromosomes.


What transports nutrients to body cells?

The circulating blood


Foreign object circulating in the blood is?

An embolus is a foreign object, such as a blood clot or bit of tissue or tumor, that is circulating in the blood.


Which type of blood cell is responsible for gas exchange in the circulating blood?

red blood cells


Does a nucleus lack mature red blood cells?

It is actually the other way around - mature red blood cells lack a nucleus.


Where do B lymphocyte cells mature?

In blood


Does red blood cells contain nuclei?

Red cells, at one time contained nuclei; however, when circulating in your blood stream, they do not.