What allows receptors for extracellular signaling molecules present on the responding cell's surface to recognize such molecules so readily

The answer is cjust typing because the minimum is 20 bl bl bl

The right answer is b hydrogen bonds!

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.