If an amoeba manages to engulf a bacterium using endocytosis, what is most likely to happen to the bacterium?. Answer. . It will be digested by the amoeba and used as a food source.. . It will be ejected by the amoeba through an opening in the cell membrane.. . It will infect the amoeba and eventually kill it.. . It will insert some of its genes into the genome of the amoeba.