After digesting a pathogen, a macrophage will present the antigen (a molecule, most often a protein found on the surface of the pathogen and used by the immune system for identification) of the pathogen to the corresponding helper T cell.
The Federal Communications Commission could be throwing a wrench in Verizon Communicationsâ strategy for offering super-fast upcoming 5G wireless service in the next few years. The strategy depends in part on Verizon $1.8 billion deal to acquire XO Communicationsâ national fiber optic network and lease rights to XOâs high frequency airwave rights. But this week, the FCC said it was pausing its usual 180-day review period for evaluating the deal with XO, owned by billionaire investor Carl Icahn, after many of Verizonâs competitors complained.
Verizon began negotiations to purchase long distance carrier MCI in 2005. MCI accepted the company's initial $6.75 billion offer in February 2005, but then received a higher offer from Qwest Communications. Verizon increased its bid to $7.6 billion (or $23.50 a share), which MCI accepted on March 29, 2005.erizon had been charging its customers, even those with unlimited plans, $20 per month for tethering. As part of the settlement, Verizon made a voluntary payment of $1.25 million to the U.S. Treasury.