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Question
Biology
Posted 10 months ago
Bacteriophage go through similar stages as animal viruses except
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Answer from Sia
Posted 10 months ago
Answer
Bacteriophages and animal viruses share several stages in their life cycles, such as attachment, entry, replication, assembly, and release, but bacteriophages often inject only their genetic material into the host cell, whereas animal viruses typically enter the host cell whole.
Solution
a
Attachment: Both bacteriophages and animal viruses must first attach to a specific receptor on the surface of a susceptible host cell
b
Entry: Bacteriophages inject their genetic material into the host cell, leaving the capsid outside. Animal viruses often enter the host cell whole, either by fusion with the cell membrane or by endocytosis
c
Replication and Assembly: Inside the host cell, both types of viruses replicate their genetic material and produce new viral components, which are then assembled into new viruses
d
Release: Both bacteriophages and animal viruses release new virions to infect other cells, but bacteriophages often lyse the bacterial cell, while animal viruses may bud off or cause cell lysis
Key Concept
Differences in the entry stage between bacteriophages and animal viruses
Explanation
Bacteriophages typically inject their genetic material into the host cell without the capsid, while animal viruses usually enter the host cell whole, either by fusion with the cell membrane or by endocytosis.
◊What is the primary difference in the replication cycle of bacteriophages compared to animal viruses?
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