Which of the Following Is True Regarding Transformed Cells That

Which of the following is true regarding transformed cells that are plated on growth media containing ampicillin?

A) Each colony began with one antibiotic resistant cell.
B) All cells in a single colony are resistant to the antibiotic ampicillin.
C) Only the founder cell of a single colony is resistant to the antibiotic ampicillin.
D) Cells that did not take up the plasmid will survive on the medium.
E) Each colony began with one antibiotic resistant cell and all cells in the colony are resistant to the antibiotic ampicillin.