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During formation, red blood cells (RBCs) undergo a process called erythropoiesis, where they lose their nucleus and organelles to maximize space for hemoglobin, the protein responsible for oxygen transport. This loss of organelles allows RBCs to be more flexible and efficient in navigating through blood vessels. The absence of a nucleus also limits their lifespan to about 120 days, after which they are removed from circulation by the spleen and liver. Overall, this adaptation is crucial for their primary function of oxygen delivery.

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2w ago

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What do red blood cells not have?

Mature red blood cells do not have a nucleus nor organelles.


Does a red blood cell have organelles?

No. They do not. They are able to support themselves without organelles helping. They are degraded in the bone marrow so that there is more space for the hemoglobin.


What cell doesn't contain a nucleus and organelles?

A prokaryote aka a bacterium doesn't contain a nucleus but it does contain small ribosomes.


Do red blood cells have smooth ER?

No, red blood cells do not have smooth endoplasmic reticulum. Red blood cells lack most organelles, including the endoplasmic reticulum, because their primary function is to carry oxygen throughout the body.


Can a mature red blood cell divide?

No, mature red blood cells do not have a nucleus or organelles required for cell division. They are produced in the bone marrow from stem cells but lose their nucleus during development, making them unable to divide.


Is DNA found in RBC and WBC?

You have about 25 trillions of RBC in your blood. They do not have nucleus in them and so no DNA. WBC has a nucleus and contains the DNA.


What 2 things do red cells lack compared to white cells?

Red blood cells lack a nucleus and organelles, such as mitochondria, which are present in white blood cells. This allows red blood cells to have more space to carry oxygen and carbon dioxide through the bloodstream efficiently.


What organelles are important to a white blood cell?

White blood cells contain organelles such as the nucleus, mitochondria for energy production, lysosomes for digestion of pathogens, endoplasmic reticulum for protein synthesis, and Golgi apparatus for modification and packaging of proteins. These organelles play key roles in carrying out the functions of white blood cells, such as immune response and pathogen destruction.


Does an animal cell has nucleus and organelles?

Yes, an animal cell has a nucleus which contains genetic material, and various organelles such as mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes that perform specific functions within the cell.


Are red blood cells prokaryotic?

No, red blood cells are eukaryotic cells. Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells, like red blood cells, have a nucleus and other organelles enclosed within membranes.


Do human cell have the same organelles?

Yes, human cells have the same organelles, including the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. However, some cells, like red blood cells, lack certain organelles such as the nucleus.


What does a mature red blood cell not have?

nucleus i thinkNucleusThere are, in fact, several Organelles that are missing from a red blood cell (Erythrocyte), but the most significant one is the nucleus.DNA