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  1. Hace 2 días · An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.

  2. Hace 2 días · The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. In bacterial and plant cells, a cell wall is attached to the plasma membrane on its outside surface.

  3. Hace 3 días · The endoplasmic reticulum (ER) is crucial for protein quality control, and disruptions in its function can lead to various diseases. ER stress triggers an adaptive response called the unfolded protein response (UPR), which can either restore cellular homeostasis or induce cell death. Melatonin, a safe and multifunctional compound, shows promise ...

  4. Hace 5 días · Approximately 84% of the cells in the human body are the 20–30 trillion red blood cells. [6] [7] [8] [9] Nearly half of the blood's volume ( 40% to 45%) is red blood cells. Packed red blood cells are red blood cells that have been donated, processed, and stored in a blood bank for blood transfusion .

  5. en.wikipedia.org › wiki › CiliumCilium - Wikipedia

    Hace 1 día · The cilium (pl.: cilia; from Latin cilium 'eyelid'; in anatomy, cilium is an eyelash) is a membrane-bound organelle found on most types of eukaryotic cell. Cilia are absent in bacteria and archaea.The cilium has the shape of a slender threadlike projection that extends from the surface of the much larger cell body. Eukaryotic flagella found on sperm cells and many protozoans have a similar ...

  6. Hace 2 días · Capturing endogenous temperature increases and decreases at the cellular and organelle levels should lead to a better understanding of the mechanisms of temperature homeostasis and to a reconsideration of changes in intracellular conditions caused by local temperature fluctuations, which have not been well investigated in conventional biological studies.

  7. Hace 5 días · Researchers in UC Santa Barbara neuroscientist Kenneth S. Kosik's lab have discovered a novel organelle -- a previously unknown cell structure whose function it is to help clean up faulty...

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