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The ability of the immune system to recognize molecules that are broadly shared by pathogens is, in part, due to the presence of immune receptors called toll-like receptors (TLRs) that are expressed on the membranes of leukocytes including dendritic cells, macrophages, natural killer cells, cells of the adaptive immunity T cells, and B cells, and non-immune cells (epithelial and endothelial ...
The toll-free subscriber was required to lease enough inbound lines, with flat-rate inbound long distance on each, to handle the anticipated +1-800 call volume. US interstate toll-free coverage was sold in "bands" or zones, numbered 1 (adjacent states) through 5 (cross-country, entire continental US). The higher the band, the more expensive the ...
Electronic toll collection is a wireless system to automatically collect the usage fee or toll charged to vehicles using toll roads, HOV lanes, toll bridges, and toll tunnels. It is a faster alternative to toll booths , where vehicles must stop and the driver manually pays the toll with cash or a card.
Toll (Portuguese: Pedágio) is a 2023 Brazilian-Portuguese drama film written, directed and co-produced by Carolina Markowicz. [1] The film stars Maeve Jinkings as Suellen, a woman who gets drawn into a criminal gang as she tries to raise the money to send her gay son to a conversion therapy program.
The 12-lane New Jersey Turnpike in the U.S. is the most heavily traveled toll road in the world, carrying hundreds of thousands of automobiles daily.. A toll road, also known as a turnpike or tollway, is a public or private road (almost always a freeway since the 1940s) for which a fee (or toll) is assessed for passage.
Non-geographic toll-free telephone numbers (800, 833, [3] 844, 855, 866, 877, 888) and premium-rate telephone numbers (900) are allocated centrally by the NANP Administrator. Calls to telephone numbers with the central office code 976 are billed as expensive premium calls.
By October 1991, area code 905 had been assigned to relieve exchanges in the Golden Horseshoe, which was and still is Canada's largest toll-free calling zone. The Golden Horseshoe's explosive growth in the second half of the 20th century and the corresponding expansion of telecommunications service would have made another area code necessary in ...
Toll-free telephone service is a telecommunication service in which subscribers are assigned telephone number in NPAs 800, 888, 877, 866, 855, 844, and 833. Calls to these numbers incur no toll charges for callers. The American Telephone & Telegraph Company (AT&T) first introduced 800 toll-free service in 1967. [2]