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  2. Transporter associated with antigen processing - Wikipedia

    en.wikipedia.org/wiki/Transporter_associated...

    Association with TAP is an ATP-independent event, ‘in a fast bimolecular association step, peptide binds to TAP, followed by a slow isomerisation of the TAP complex’. [5] It is suggested that the conformational change in structure triggers ATP hydrolysis and so initiates peptide transport.

  3. Tap changer - Wikipedia

    en.wikipedia.org/wiki/Tap_changer

    However, a transformer may include a tap changer on each winding if there are advantages to do so. For example, in power distribution networks, a large step-down transformer may have an off-load tap changer on the primary winding and an on load automatic tap changer on the secondary winding or windings. The high voltage tap is set to match long ...

  4. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    center tap A connection on a transformer which has equal voltage to either end of the transformer winding. ceramic resonator A piezoelectric element used to stabilize the frequency of an oscillator. channel Any communication path between a signal transmitter and a signal receiver, or, a pre-selected operating frequency for a radio system.

  5. Transformer types - Wikipedia

    en.wikipedia.org/wiki/Transformer_types

    A leakage transformer, also called a stray-field transformer, has a significantly higher leakage inductance than other transformers, sometimes increased by a magnetic bypass or shunt in its core between primary and secondary, which is sometimes adjustable with a set screw. This provides a transformer with an inherent current limitation due to ...

  6. Buck–boost transformer - Wikipedia

    en.wikipedia.org/wiki/Buck–boost_transformer

    Typical multi-tap buck–boost transformer. A buck–boost transformer is a type of transformer used to make adjustments to the voltage applied to alternating current equipment. [1] Buck–boost connections are used in several places such as uninterruptible power supply (UPS) units for computers and in the tanning bed industry.

  7. Tap converter - Wikipedia

    en.wikipedia.org/wiki/Tap_converter

    Both linear spacing and power-of-two-style Vernier spacing can be employed in establishing the tap positions, e.g., a four-tap transformer can provide taps at 0.25, 0.5, 0.75, 1.0 (linear) or 0.0625, 0.125, 0.25, and 0.5 (Vernier). (The limitations of the Vernier—in this case, that the maximum obtainable amplitude is 0.9375—are less ...

  8. Glossary of cellular and molecular biology (0–L) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_cellular_and...

    3' untranslated region (3'-UTR). Also three-prime untranslated region, 3' non-translated region (3'-NTR), and trailer sequence.. 3'-end. Also three-prime end.. One of two ends of a single linear strand of DNA or RNA, specifically the end at which the chain of nucleotides terminates at the third carbon atom in the furanose ring of deoxyribose or ribose (i.e. the terminus at which the 3' carbon ...

  9. Exon junction complex - Wikipedia

    en.wikipedia.org/wiki/Exon_junction_complex

    Protein components are either bound to or released by the EJC as it is transported. In order for the translocation of mRNAs through the nuclear pore complex to occur, a heterodimer consisting of NXF1/TAP and NXT1/p15 must bind to the transcripts. [29] NXF1/TAP is a major receptor for the export of mRNAs to the cytoplasm.