But it turns out that they're so useful to the immune system because they can recognize specific molecules, like, for example, the coat protein of a virus that's invading the body.
Bet pasirodo, kad jie tokie naudingi imuninei sistemai dėl to, kad jis gali atpažinti tam tikras molekules, kaip, pavyzdžiui, viruso, puolančio kūną, baltymo kodą.