Antigenic variation: How pathogens control changes in their cell surface to evade the immune system
The immune system responds to an infection by producing antibodies that recognize and bind to the cell surface of the pathogen, thus marking it as an intruder and triggering an immune response. For ...
Nature3y
Cells Can Replicate Their DNA Precisely
To accomplish this, each strand of existing DNA acts as a template ... of sequence and anti-sequence copying that preserves the coding of the original DNA. In the prokaryotic bacterium E.