Cellular slime molds live as individual amoeboid cells when food is plentiful. when food decreases, the cells may come together by the thousand in a form called a slug. this slug possesses cells called sentinel cells, which display a primitive immune function because they group of answer choices
1. circulate through the slug, engulfing bacteria.
2. inserting spikes into bacteria, causing lysis of the bacteria.
3. will produce antibodies in the presence of a virus.
4. release signal molecules similar to cytokines.