EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How is the lysogenic cycle different from the lytic cycle?
A
Lysogenic does not lyse the cell right away
B
Lytic does not lyse the cell right away
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.

Detailed explanation-2: -The lytic cycle is different from the lysogenic cycle because the lytic cycle causes the death of the infected cell due to lysis, while the lysogenic cycle does not kill the cell. Viruses known as bacteriophages infect bacteria, and many can undergo both types of cycles.

Detailed explanation-3: -Unlike a lytic virus, a lysogenic virus does not cause the host cell to lyse away. A lysogenic virus can remain inactive for a period of time. In lysogenic infection, viral DNA gets integrated with the host cell’s DNA, where it is copied along with the host cell’s DNA when the host cell replicates.

Detailed explanation-4: -The difference between lysogenic and lytic cycles is that, in lysogenic cycles, the spread of the viral DNA occurs through the usual prokaryotic reproduction, whereas a lytic cycle is more immediate in that it results in many copies of the virus being created very quickly and the cell is destroyed.

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