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.
Level 3 bought Genuityâ¦not VZ. Also, any xo fiber purchase back in 1998 was a 20 year iru, that has to be renewed and paid for again. This is what cogent is dealing with on its patch work IRU network that was bought mostly out of bankruptcy on the cheap but now must be renewed at real fair value rent.