#Question id: 5846
#XL - T Zoology
The bacteriophage can lysogenize after infecting a bacterium, i.e. integrate into the host bacterial chromosome by site-specific recombination, and may reside there for many generations before an excision event regenerates the viral genome in an infective form. Which one of the following is not a component of these events?
#Question id: 3922
#XL - Q Biochemistry
The σ70 subunit in E. coli RNA polymerase acts as a/an __.
#Question id: 8894
#XL - T Zoology
#Question id: 11638
#XL - S Microbiology
Which group includes members that are important primary producers in ocean food webs, causes red tides that kill many fish, and may even be carnivorous?
#Question id: 1592
#XL - S Microbiology
Which of these molecules is incorrectly paired with a source?