Question

Which activity would most likely increase the
mutation rate in a culture of bacteria being
grown in a laboratory experiment?
(1) adding more distilled water to the culture
(2) adding excess nutrients to the culture
(3) exposing the culture to a higher concentration
of CO2
(4) exposing the culture to ultraviolet radiation

Answer 1

(4) exposing the culture to ultraviolet radiation would most likely increase the mutation rate in a culture of bacteria being grown in a laboratory experiment.