SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The virus inserts it’s DNA into the host cell.
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The virus’ genes are inside and it turns into a baby virus factory.
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The virus attaches to a host cell
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The new virus breaks out of the host cell, killing it in the process.
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Detailed explanation-1: -Attachment is the first stage in the infection process in which the phage interacts with specific bacterial surface receptors (e.g., lipopolysaccharides and OmpC protein on host surfaces).
Detailed explanation-2: -The first step involves phage adsorption to the cell surface. This process occurs when specialized adsorption structures, such as fibers or spikes, bind to specific surface molecules on their target bacteria.
Detailed explanation-3: -The lytic cycle involves four steps: infecting a host (an action called exposure), injecting a cell with the virus’s genetic material, using the cell’s metabolic engines to create new viruses, and finally, weakening the cell walls until the host cell lyses, or bursts open from excessive internal pressure.
Detailed explanation-4: -The first stage is entry. Entry involves attachment, in which a virus particle encounters the host cell and attaches to the cell surface, penetration, in which a virus particle reaches the cytoplasm, and uncoating, in which the virus sheds its capsid.
Detailed explanation-5: -Step 1: Adsorption. Step 2: Penetration. Step 3: Replication. Step 4: Maturation. Step 5: Release. Step 6: Reinfection. 09-Apr-2022