When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. If these new viruses go on to infect new bacterial cells, the new host cells may not be lysed. What is the most plausible explanation for this? A) The bacterial cell must be resistant to infection by the virus.

B) The virus carries genes that confer resistance to the host bacterial cell.

C) The host bacterium couples the viral infection with transformation.

D) The virus has entered the genome of the bacterial cell and is in the lysogenic stage.

Question

Marisol Sheppard

Biology

18 February, 12:03

When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. If these new viruses go on to infect new bacterial cells, the new host cells may not be lysed. What is the most plausible explanation for this? A) The bacterial cell must be resistant to infection by the virus.

B) The virus carries genes that confer resistance to the host bacterial cell.

C) The host bacterium couples the viral infection with transformation.

D) The virus has entered the genome of the bacterial cell and is in the lysogenic stage.

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Answers (1)

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Malone · Answer 1

D) The virus has entered the genome of the bacterial cell and is in the lysogenic stage.

Explanation:

Virus have two reproductive cycle lytic and lysogenic cycles. In the lytic cycle, the viral genome is expressed using the host molecular machinery and make capsid proteins. These capsid proteins surround the viral genome and make new phages which lyse the host cell and gets released.

After the release, they enter their genome in other host and that genome first incorporates in the host genome and replicates with the host genome. This cycle is called the lysogenic cycle and in this cycle lysis of cell does take place because no new phages are produced in it.