Which of the following statements is true about bacterial transformation? why? a

Question

Which of the following statements is true about bacterial transformation? why?

a) cells can only be transformed when they are in a competent state.
b) transformation may only be performed using plasmid DNA containing antibiotic-resustance genes (R factors)
c) transformed cells are capable of passing their newly-acquired traits onto succeeding generations
d) transformation was first discovered in the bacterium streptococcus pneumonia
e) cells must first be treated artificially in the laboratory before they are capable of undergoing transformation

Explanation / Answer

c and d are definitely both correct. whether a is true is largely a question of semantics. It is believed that many wild bacteria spontaneously become competent to take up DNA, but that this is not their default state of being, so I would say a is also true.

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