Mitosis is an equational type of cell division occurring in somatic cells, in which a single diploid parent cell divides to form two genetically identical diploid daughter cells, thereby maintaining the chromosome number. It is essential for growth, development, tissue repair, regeneration, and replacement of damaged or worn-out cells. The process is preceded by interphase, comprising G₁, S, and G₂ phases, during which the cell grows and DNA replication takes place. Mitosis proper consists of fo
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Mitosis is an equational type of cell division occurring in somatic cells…
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Ohhhhh elden ring Credits; @cell_the_gamer | Caverna Dark Souls
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Vice Admiral Garp visits Portgas D. Ace in his Level 6 cell (the lowest level). Garp and Ace have an emotional conversation.🥲 #anime #onepiece #portgasdace | Adhie Blink'Dsa
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T cells are a type of white blood cell that are a crucial part of the adaptive immune system, responsible for fighting infection, cancer, and autoimmune diseases. They originate in the bone marrow, mature in the thymus, and are trained to recognize foreign invaders while ignoring the body’s own cells. The two main types are cytotoxic T cells, which directly kill infected or cancerous cells, and helper T cells, which coordinate the immune response by signaling other immune cells. Functions of T c
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Programmed cell death is a controlled process that removes damaged or unneeded cells. Mitochondria play a central role in this process. Although they are known for energy production, they also store internal signals that can begin cell death when necessary. When a cell becomes severely stressed or damaged, proteins inside the mitochondria change their behavior. These proteins cause the outer mitochondrial membrane to become more open. Once the membrane opens, the mitochondria release signaling m
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When red blood cells reach the end of their lifespan, they are removed by the spleen and liver. Inside these organs, specialized cells break down the old red cells and release their components. The iron inside hemoglobin is carefully preserved. The liver collects this iron and binds it to proteins that keep it safe and transportable. One of the main proteins involved is transferrin, which carries iron through the bloodstream to tissues that need it. Some of the iron is stored inside liver cells
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The spleen acts as a inspection center for red blood cells. Blood flows through narrow channels inside the spleen, forcing red cells to squeeze through tight spaces. Healthy cells pass through easily because their membranes are flexible. Older red cells have stiffer membranes and become trapped. Once trapped, they are examined by phagocytes, which are immune cells specialized in removing damaged material. The phagocytes engulf the worn out red cells and break them down inside enzyme filled compa
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