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  2. Cell–cell recognition - Wikipedia

    en.wikipedia.org/wiki/Cellcell_recognition

    The same cells that recognize PAMPs on microbial pathogens may bind to the antigen of a foreign blood cell and recognize it as a pathogen because the antigen is unfamiliar. [11] It is not easy to classify red blood cell recognition as intrinsic or extrinsic, as a foreign cell may be recognized as part of the organism if it has the right antigens.

  3. Glycolipid - Wikipedia

    en.wikipedia.org/wiki/Glycolipid

    Glycolipid. Glycolipids are lipids with a carbohydrate attached by a glycosidic (covalent) bond. [1] Their role is to maintain the stability of the cell membrane and to facilitate cellular recognition, which is crucial to the immune response and in the connections that allow cells to connect to one another to form tissues. [2]

  4. Oligosaccharide - Wikipedia

    en.wikipedia.org/wiki/Oligosaccharide

    Lectins, or proteins that bind carbohydrates, can recognize specific oligosaccharides and provide useful information for cell recognition based on oligosaccharide binding. [citation needed] An important example of oligosaccharide cell recognition is the role of glycolipids in determining blood types.

  5. Cell signaling - Wikipedia

    en.wikipedia.org/wiki/Cell_signaling

    In biology, cell signaling (cell signalling in British English) is the process by which a cell interacts with itself, other cells, and the environment. Cell signaling is a fundamental property of all cellular life in prokaryotes and eukaryotes. Typically, the signaling process involves three components: the signal, the receptor, and the effector.

  6. Co-receptor - Wikipedia

    en.wikipedia.org/wiki/Co-receptor

    A co-receptor is a cell surface receptor that binds a signalling molecule in addition to a primary receptor in order to facilitate ligand recognition and initiate biological processes, such as entry of a pathogen into a host cell.

  7. Drone sightings: A timeline of the reports, arrests and calls ...

    www.aol.com/news/drone-sightings-timeline...

    Drone sightings have been reported across the eastern U.S. in states like New Jersey, New York and Maryland.

  8. Sphingolipid - Wikipedia

    en.wikipedia.org/wiki/Sphingolipid

    The long-chain bases, sometimes simply known as sphingoid bases, are the first non-transient products of de novo sphingolipid synthesis in both yeast and mammals. These compounds, specifically known as phytosphingosine and dihydrosphingosine (also known as sphinganine, [4] although this term is less common), are mainly C 18 compounds, with somewhat lower levels of C 20 bases. [5]

  9. 30 Color Photos Photographers Took 100 Years Ago That Still ...

    www.aol.com/44-old-color-photos-showing...

    Image credits: Photoglob Zürich As evident from Niépce's and Maxwell's experiments, and as photographic process historian Mark Osterman told Bored Panda, the processes behind colored photographs ...