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  2. Ion channel - Wikipedia

    en.wikipedia.org/wiki/Ion_channel

    Ion channels are located within the membrane of all excitable cells, [ 3] and of many intracellular organelles. They are often described as narrow, water-filled tunnels that allow only ions of a certain size and/or charge to pass through. This characteristic is called selective permeability.

  3. Internet access - Wikipedia

    en.wikipedia.org/wiki/Internet_access

    t. e. Internet access is a facility or service that provides connectivity for a computer, a computer network, or other network device to the Internet, and for individuals or organizations to access or use applications such as email and the World Wide Web. Internet access is offered for sale by an international hierarchy of Internet service ...

  4. Potassium channel tetramerisation domain - Wikipedia

    en.wikipedia.org/wiki/Potassium_channel_tetramer...

    Potassium channels are the most diverse group of the ion channel family. [2] [3] They are important in shaping the action potential, and in neuronal excitability and plasticity. [4] The potassium channel family is composed of several functionally distinct isoforms, which can be broadly separated into 2 groups: [5] the practically non ...

  5. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is available.

  6. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  7. Voltage-gated ion channel - Wikipedia

    en.wikipedia.org/wiki/Voltage-gated_ion_channel

    Voltage-gated ion channels have a crucial role in excitable cells such as neuronal and muscle tissues, allowing a rapid and co-ordinated depolarization in response to triggering voltage change. Found along the axon and at the synapse, voltage-gated ion channels directionally propagate electrical signals. Voltage-gated ion-channels are usually ...

  8. Transient receptor potential channel - Wikipedia

    en.wikipedia.org/wiki/Transient_receptor...

    Transient receptor potential channel. Transient receptor potential channels ( TRP channels) are a group of ion channels located mostly on the plasma membrane of numerous animal cell types. Most of these are grouped into two broad groups: Group 1 includes TRPC ( "C" for canonical), TRPV ("V" for vanilloid ), TRPVL ("VL" for vanilloid-like), TRPM ...

  9. Direct Internet Access System - Wikipedia

    en.wikipedia.org/wiki/Direct_Internet_Access_System

    Direct Internet Access System is a technology used to access internet through DSL developed jointly by IIT Madras and Banyan Networks.It offers a wired solution for high-speed symmetrical Internet access through existing public switched telephone network lines and provides an " Always On" Internet Access that is permanently available at the customer's premises.