Multiple Choice
A pro- strain of bacteria,which has not been in contact with any other strains,develops the ability to produce the amino acid proline.What is the most likely mechanism of this mutant "rescue?"
A) addition of the pro+ gene via transduction
B) addition of the pro+ gene during conjugation
C) removal of the pro- gene during excision
D) addition of the pro+ gene via transformation
E) correction of the pro- gene by reverse transcriptase
Correct Answer:
Verified
Correct Answer:
Verified
Q20: All forms of horizontal gene transfer require
Q21: How is binary fission similar to the
Q22: Lederberg and Tatum's landmark experiment showed that
Q23: How did Davis demonstrate that bacterial cells
Q24: You are working in the field with
Q26: You analyze two daughter cells of Bacteria
Q27: Lederberg and Tatum's landmark experiment showed that
Q28: Bacterial cells always contain one copy of
Q29: When a virus has a broad host
Q30: During HIV reproduction,spike glycoproteins<br>A)do not enter the