NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the last step of the Lytic cycle?
A
Attachment
B
Replication
C
Release
D
Entry
Explanation: 

Detailed explanation-1: -The final stage is release. Mature viruses burst out of the host cell in a process called lysis and the progeny viruses are liberated into the environment to infect new cells.

Detailed explanation-2: -6: Release during the Lytic Life Cycle of a Lytic Bacteriophage. A bacteriophage-coded enzyme breaks down the peptidoglycan in the bacterial cell wall causing osmotic lysis.

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: -1) Attachment: In this step, the bacteriophage, attaches itself by it’s tail to the. 2) Digestion: In this step, the bacteriophage contains an enzyme called. 3) Injection: 4) Taking Control: 5) Multiplication: 6) Rupturing: 10-Feb-2018

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