Bacteria will often pass a piece of DNA from a donor bacterial cell to a recipient bacterial cell presumably through a structure called a pilus. What is this process called?
A) transduction
B) conjugation
C) transformation
D) fission
E) confirmation
Ans: B) conjugation
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The size range of most plant and animal cells is ________.
A) 1—10 nm B) 1—5 ?m C) 10—50 ?m D) 0.1—0.5 mm E) 50—100 mm
In this experiment the pGLO plasmid is used. Is the arabinose promoter of this plasmid a constitutive or an inducible promoter?
A) Constitutive B) Inducible
The study of how our body fights infection from pathogenic microbes is called ________
immunology epidemiology molecular biology epistemology
Which of the following is CORRECT about the prokaryotes known as deeply branching bacteria?
A) They are chemoheterotrophs. B) They lack peptidoglycan walls. C) They are commonly found in acidic, anaerobic conditions. D) They grow in long branching filaments. E) They are photosynthetic.