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| 1 | |
An antibiotic is added to a growing culture of E. coli resulting
in death of the cells. Bacteriophage is then added. Would the phage replicate
in the E. coli cells? Explain your answer. |
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| 2 | |
Have phage that are extruded from the bacterial cell surface undergone
a productive infections? Are they virulent? Explain your answers. |
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| 3 | |
In what way is phage induction an advantage to the phage? |
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| 4 | |
Most temperate phages integrate into the host chromosome whereas some
replicate as plasmids. Which kind of relationship would you think would be more
likely to maintain the phage in the host cell? Why? |
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| 5 | |
A mutation in E. coli results in the loss of both restriction and
modification enzymes. Would you expect any difference in the frequency of gene
transfer by transduction from Salmonella? Explain. |
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