The virus: T2 bacteriophage
Head
DNANeck
Collar
Sheath
Base plateTailfiber
Figure 11.2 T2 and the Bacteriophage Reproduction Cycle
Life cycle of the T2 bacteriophage
Infection
E. coli
Figure 11.2 T2 and the Bacteriophage Reproduction Cycle
1. The bacteriophage attaches to E. coli and
injects its DNA.
2. Viral genes take over the host’s
synthetic machinery.
3. The cell breaks open, releasing about
200 viruses.
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