How to Use "latch" with Example Sentences

1. It has no latch , and doesn 't switch the ipad screen on and off .
2. Through a series of experiments in ferrets , he isolated a strain with four mutations that helped the virus latch on to and infect cells in the throat .
3. Dendritic cells normally latch on to bacteria and viruses before migrating to the lymph nodes , where they present the alien material to the immune system 's " killer " t-cells that seek and destroy such invaders .