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Are red blood cells nucleate?
red blood cells that have not lost their nucleus.
Can a mature red blood cell divide?
No, mature red blood cells cannot divide.
What organelles are present in red blood cells?
Red blood cells are considered cells, but they lack all organelles. Red blood cells cannot divide or replicate like other cells of 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.
Stem cells in human bone marrow divide and differentiate to form various what?
Stem cells in human bone marrow can divide and differentiate to form various types of blood cells, such as red blood cells, white blood cells, and platelets.
A human red blood cell has no chromosomes How does this affect the red blood cell's ability to divide?
They do not divide. The process by which red blood cells are produced is called erythropoiesis. Red blood cells are continuously being produced in the red bone marrow of large bones, at a rate of about 2 million per second.But many people might wonder "how we could produce so many red cells each second without chromosomes which hold a cell's directions for HOW to divide and multiply!" The answer lies in realizing that, unlike many tissue types (skin, muscle, live, etc) that divide and produce two mature tissue cells, red blood cells go through several stages of developmentActually, a human red blood cell DOES have chromosomes, and they DO divide. But, as noted above, this situation exists only in the early life stagesof a red blood cell ( that is, the early stages of erythropoiesis) and these stages take place only in the bone marrow. All the dividing occurs during a red blood cells "infancy", so to speak. (You wouldn't recognize them though, as each is a big cell with a big nucleus - nothing like the common, tiny, nucleus-free "adult" red blood cells. By the time it's an adult, a red blood cell will have lost it's nucleus.) The mature adult red blood cellsdrawn from someone's vein are only the final stage in a red blood cell's life, but for most people these are the only red blood cells they have ever seen.So, although it is true for the red blood cells you've probably seen, try making a small change in your mindset from "theydo not divide", to ""Adult red blood cells do not divide". That solves the mystery. (Besides, they don't have to! Did that; been there. Now they get to coast - as tiny, flexible oxygen delivery guys.) -John Bohn, MD
What cells would not divide using mitosis?
Cells that do not divide using mitosis include red blood cells (erythrocytes) and neurons in the brain. Red blood cells lack a nucleus, and neurons undergo a different process called mitotic division or neurogenesis to replace themselves.
What would happen if you lost a few red blood cells?
One loses 'a few red blood cells' every minute. They wear out, or bleed out, etc., and are replaced.
What cells do not divide during mitosis?
Germ cells use a similar, but not identical, process to divide known as meiosis. Many adult cells do not divide at all under normal conditions, such as neurons and red blood cells.
Which cells don't divide?
Brain cell do not divide in later life. Cardiac muscle divides itself less than 1% each year in humans.
How does the cell doctrine contradict with a mature red blood cell?
Red blood cells are considered cells, but they lack all organelles. Red blood cells cannot divide or replicate like other cells of the body. The blood's red color is due to the spectral properties of the hemic iron ion the hemoglobin. Each human red blood cell is packed with approximately 270 million hemoglobin biomolecules.
What are the the cells that carry oxygen?
Red blood cells contain hemoglobin. These cells are also known as erythrocytes.
