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  2. Endoplasmic reticulum - Wikipedia

    en.wikipedia.org/wiki/Endoplasmic_reticulum

    The rough endoplasmic reticulum works in concert with the Golgi complex to target new proteins to their proper destinations. The second method of transport out of the endoplasmic reticulum involves areas called membrane contact sites, where the membranes of the endoplasmic reticulum and other organelles are held closely together, allowing the ...

  3. Endomembrane system - Wikipedia

    en.wikipedia.org/wiki/Endomembrane_system

    There are two distinct, though connected, regions of ER that differ in structure and function: smooth ER and rough ER. The rough endoplasmic reticulum is so named because the cytoplasmic surface is covered with ribosomes, giving it a bumpy appearance when viewed through an electron microscope. The smooth ER appears smooth since its cytoplasmic ...

  4. Lysosome - Wikipedia

    en.wikipedia.org/wiki/Lysosome

    The nascent peptide chains are translocated into the rough endoplasmic reticulum, where they are modified. Lysosomal soluble proteins exit the endoplasmic reticulum via COPII-coated vesicles after recruitment by the EGRESS complex (ER-to-Golgi relaying of enzymes of the lysosomal system), which is composed of CLN6 and CLN8 proteins.

  5. Ribosome - Wikipedia

    en.wikipedia.org/wiki/Ribosome

    In eukaryotic cells, ribosomes are often associated with the intracellular membranes that make up the rough endoplasmic reticulum. Ribosomes from bacteria, archaea, and eukaryotes (in the three-domain system) resemble each other to a remarkable degree, evidence of a common origin. They differ in their size, sequence, structure, and the ratio of ...

  6. Endoplasm - Wikipedia

    en.wikipedia.org/wiki/Endoplasm

    Smooth endoplasmic reticulum makes hormones and lipids, degrades toxins, and controls cellular levels of calcium. Though most control of cell division is present in the nucleus, the centrosomes present in the endoplasm assist with spindle formation. The endoplasm is the site of many activities necessary for the cell to maintain homeostasis. [2]

  7. Golgi apparatus - Wikipedia

    en.wikipedia.org/wiki/Golgi_apparatus

    The Golgi apparatus (/ ˈ ɡ ɒ l dʒ i /), also known as the Golgi complex, Golgi body, or simply the Golgi, is an organelle found in most eukaryotic cells. [1] Part of the endomembrane system in the cytoplasm, it packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.

  8. 2024 polls were accurate but still underestimated Trump

    www.aol.com/2024-polls-were-accurate-still...

    Here at 538, we think a big part of our jobs during election season is to explore and explain how much trust you should put in all the people telling you who's going to win.

  9. Organelle - Wikipedia

    en.wikipedia.org/wiki/Organelle

    translation and folding of new proteins (rough endoplasmic reticulum), expression of lipids (smooth endoplasmic reticulum) single-membrane compartment: all eukaryotes: rough endoplasmic reticulum is covered with ribosomes (which are bound to the ribosome membrane), has folds that are flat sacs; smooth endoplasmic reticulum has folds that are ...