how did prochlorococcus now living in the upper euphotic zone acquire the ability to repair their uv-damaged dna? choose one:a. prochlorococcus themselves slowly evolved a unique ability to repair dna over time.b. prochlorococcus likely acquired the photolyase genes through horizontal gene transfer.c. prochlorococcus directly acquired the photolyase enzyme by protein import from other nearby microbes.d. prochlorococcus form symbiotic relationships with other microbes that can repair damaged dna.
