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If stem cells mature into erythrocytes (red blood cells), they will become specialized for oxygen transport in the body. Erythrocytes are responsible for carrying oxygen from the lungs to the rest of the tissues and organs, as well as removing carbon dioxide waste. They have a unique biconcave shape and lack a nucleus to maximize their capacity for oxygen-carrying.
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Do reticulocytes have a nucleus?
No, reticulocytes do not have a nucleus. They are immature red blood cells that still contain some residual RNA when released from the bone marrow. As they mature into erythrocytes (mature red blood cells), the nucleus is extruded.
What is the differecne between reticulocyte and erythrocyte?
Reticulocytes are immature red blood cells that still contain some organelles, while erythrocytes are mature red blood cells that have lost their organelles and are responsible for oxygen transport. Reticulocytes are typically found in the bloodstream for a short period before maturing into erythrocytes.
Which mammal doesnt have nucleus in RBC?
Mammals do not have red blood cells that lack a nucleus. All mammalian red blood cells, or erythrocytes, start out in the bone marrow with a nucleus, but lose it as they mature.
What are some types of human cells?
Some types of human cells include red blood cells (erythrocytes), white blood cells (leukocytes), skin cells (keratinocytes), nerve cells (neurons), and muscle cells (myocytes).
Some monocytes enter the tissues and mature into phagocytic cells called?
macrophages.
Do DNA have all cells?
No. Some cells do not in fact have DNA, probably because of the lack of a nucleus. For example, mature red blood cells (erythrocytes) do not contain a nucleus or DNA.
Do reticulocytes have a nucleus?
No, reticulocytes do not have a nucleus. They are immature red blood cells that still contain some residual RNA when released from the bone marrow. As they mature into erythrocytes (mature red blood cells), the nucleus is extruded.
What is the differecne between reticulocyte and erythrocyte?
Reticulocytes are immature red blood cells that still contain some organelles, while erythrocytes are mature red blood cells that have lost their organelles and are responsible for oxygen transport. Reticulocytes are typically found in the bloodstream for a short period before maturing into erythrocytes.
Is mitochondria found in speccialized cells?
In some there do not,in some do not.In erythrocytes they do not have Mitochondria.
What cells lack cytoplasm at maturity are tough and thick walled?
Mature red blood cells, also known as erythrocytes, lack a nucleus and other organelles, including cytoplasmic components, making them enucleated and containing mainly hemoglobin. These cells have a biconcave shape that allows for increased surface area for oxygen and carbon dioxide exchange.
Which mammal doesnt have nucleus in RBC?
Mammals do not have red blood cells that lack a nucleus. All mammalian red blood cells, or erythrocytes, start out in the bone marrow with a nucleus, but lose it as they mature.
What are some types of human cells?
Some types of human cells include red blood cells (erythrocytes), white blood cells (leukocytes), skin cells (keratinocytes), nerve cells (neurons), and muscle cells (myocytes).
What human cells have no chromosomes?
Some cells like erythrocytes (red blood cells) and thrombocytes (platelets) don't have DNA because they are made from precurors. Erythrocytes are made a process called erythropoiesis and thrombocytes are made by megakaryocytes.
List two structural differences and two functional differences between erythrocytes and leukocytes?
Structural differences: Erythrocytes lack a nucleus and other organelles, while leukocytes have a nucleus and organelles like lysosomes. Erythrocytes are small, biconcave discs, while leukocytes vary in size and have a more irregular shape. Functional differences: Erythrocytes primarily function in oxygen transport, while leukocytes are involved in immune responses and defense against pathogens. Erythrocytes have a shorter lifespan of about 120 days, whereas some types of leukocytes can live for days to years.
Some monocytes enter the tissues and mature into phagocytic cells called?
macrophages.
Are the largest erythrocytes found in man and monkey?
The largest erythrocytes known to science are found in tailed amphibians, some as large as 56-65 microns. Compare this to ape (including human) red blood cells, which are around 6-8 microns in diameter.
What are some ways lions change from baby to adult?
They become sexually mature
