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AST SpaceMobile made history in April 2023 by completing the first two-way phone call via space on an unmodified cell phone. This milestone was achieved using its low Earth orbit satellite, Blue ...
AST SpaceMobile is a publicly traded satellite designer and manufacturer based in Midland, Texas, United States. [4] [5] The company is building the SpaceMobile satellite constellation, a space-based cellular broadband network that will allow existing, unmodified smartphones to connect to satellites in areas with coverage gaps. [6]
Alphasatellites are a single-stranded DNA family of satellite viruses that depend on the presence of another virus (helper viruses) to replicate their genomes. As such, they have minimal genomes with very low genomic redundancy. The genome is a single circular single strand DNA molecule. [1]
Lynk Global Inc. was founded in 2017 by Charles Miller, Margo Deckard, and Tyghe Speidel. [2] The business plan for Lynk came out of a multi-year effort to look for the killer app for small satellites, specifically satellites as small as cubesat-class nanosatellites, which led to the concept of connecting a satellite directly to a mobile phone.
Nucleosome core particles are observed when chromatin in interphase is treated to cause the chromatin to unfold partially. The resulting image, via an electron microscope, is "beads on a string". The string is the DNA, while each bead in the nucleosome is a core particle. The nucleosome core particle is composed of DNA and histone proteins. [29]
Satellite DNA consists of very large arrays of tandemly repeating, non-coding DNA. Satellite DNA is the main component of functional centromeres , and form the main structural constituent of heterochromatin .
The position of CENPA within satellite DNA are heritable at the protein level through a purely epigenetic mechanism. [17] This means that the position of CENPA protein binding to the genome is copied upon cell division to the two daughter cells independent of the underlying DNA sequence.
Being in an emergency without a way to contact your family or 911 is a scary thought. Big weather events can wipe out homes, phone lines and powerlines, making the usual cellular or Wi-Fi networks ...