Question

Bacteriocins are produced by bacteria in __________

(a) Lag phase

(b) Log phase

(c) Transition phase

(d) S phase

I got this question in unit test.

I would like to ask this question from Plasmids in portion Genomics : The Mapping and Sequencing of Genomes of Cytogenetics

Answer 1

Correct choice is (d) S phase

For explanation I would say: In the S phase there is a lot of competition between the bacterias for space and resources. Bacteriocins are used to kill off the bacterias of same species or related bacteria to resuce the competition.