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kierraware04
14.07.2019 •
Biology
The ability to retrieve and reproduce from memory previously encountered material is called recognition. a. true b. false
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Ответ:
Ответ:
Yes, these are correct.
Explanation:
Bacterial conjugation is the bacterial counterpart of sexual reproduction. Also known as horizontal gene transfer, it involves the transfer of genetic material from one F+ or Hfr bacterium to another F+ or F- bacterium.The F or fertility factor is a crucial component of the bacterial plasmid and it accounts for the development of sex pili which are important for conjugation. An F+ cells contains the F-factor incorporated into its plasmid, whereas an F- cell lacks the F-factor and therefore cannot participate in conjugation.Conjugation between an F+ and F- cell can result in the transfer of the F-factor to the F- bacterium.An Hfr bacterium contains F-factor incorporated into its circular genome.