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Microbiology 9th Edition by Laura Black, Jacquelyn Black
النسخة 9الرقم المعياري الدولي: 9781118934753Microbiology 9th Edition by Laura Black, Jacquelyn Black
النسخة 9الرقم المعياري الدولي: 9781118934753 تمرين 33
Which of the following is not true about conjugation?
(a) In conjugation large quantities of DNA are transferred during contact between donor and recipient cells.
(b) The number of genes transferred depends only on whether the donor cell is F+ or F′.
(c) Upon mixing strains of E. coli with different metabolic deficiencies, Lederberg observed that the cells could overcome their deficiencies, leading to his discovery of conjugation.
(d) All of the above are not true.
(e) a and c.
(a) In conjugation large quantities of DNA are transferred during contact between donor and recipient cells.
(b) The number of genes transferred depends only on whether the donor cell is F+ or F′.
(c) Upon mixing strains of E. coli with different metabolic deficiencies, Lederberg observed that the cells could overcome their deficiencies, leading to his discovery of conjugation.
(d) All of the above are not true.
(e) a and c.
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In conjugation, a large quantity of DNA ...
Microbiology 9th Edition by Laura Black, Jacquelyn Black
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