In lysogenic cycle the bacteriophage DNA

incorporates into the bacterial genome

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remains non functional in the cytoplasm

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enters the bacterium with the protein coat

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all of the above

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Solution

The correct option is A incorporates into the bacterial genome
In the lysogenic cycle of viral replication, the viral genome is inserted and incorporated into the bacterial genome.The protein coat of the virus remains outside the bacterium and only the genetic material enters the cell.

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The growth of ampicillin resistant bacterial population (strain 1) infected by a virus declines as the virus enters lytic cycle. Then the virus undergoes lysogenic cycle and further remove themselves from bacterial genome during heat shock treatment to proteins. All the bacteria die after some time and only free virus now grow. A second bacterial ampicillin sensitive population (strain 2) is the one infected by this virus. Similarly the bacterial population decreases and ampicillin population rebounds.

Which of the following increases genetic diversity in bacteria?

I. Conjugation

II. Transformation

III. Crossing over

Q. Bacteriophage introduces _________ into the bacterial cell during infection.

Q. The growth of ampicillin resistant bacterial population (strain 1) infected by a virus declines as the virus enters lytic cycle. Then the virus undergoes lysogenic cycle and further remove themselves from bacterial genome during heat shock treatment to proteins. All the bacteria die after some time and only free virus now can grow. A second bacterial ampicillin sensitive population (strain 2) is the infected by this virus. Similarly the bacterial population decreases and ampicillin population rebounds.

Which of the following phenomenon is responsible for the development of ampicillin resistance by bacterial strain 2?

The growth of ampicillin resistant bacterial population (strain 1) infected by a virus declines as the virus enters lytic cycle. Then the virus undergoes lysogenic cycle and further remove themselves from bacterial genome during heat shock treatment to proteins. All the bacteria die after some time and only free virus now grow. A second bacterial ampicillin sensitive population (strain 2) is infected by this virus. Similarly, the bacterial population decreases and ampicillin population rebounds.

Which of the following explains the rapid growth of bacterial population as compared to human population?

Ampicillin-resistant bacterial population (Strain 1) is grown in a laboratory is infected with a virus. The virus initially goes through the lytic cycle and thus bacterial population begins to decline, then rebounds as the virus integrates
into the bacterial chromosome to begin the lysogenic cycle. The bacteria reproduce normally until they are heat-shocked. The virus removes itself from the bacterial genome and enter the lytic cycle because of the temperature is increasing rapidly. Within several hours all bacteria are dead and a free virus is found in high concentration in the bacterial growth medium. This free virus infects bacterial population that is sensitive to ampicillin (Strain 2). After the expected decrease and rebound of this bacterial population (as above), the rebounded population was found to be ampicillin-resistant. Oxygen is constantly infusing in bacterial culture to ensure a high rate of reproduction among the bacteria and a health.

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In lysogenic cycle the bacteriophage DNA

The correct option is A incorporates into the bacterial genomeIn the lysogenic cycle of viral replication, the viral genome is inserted and incorporated into the bacterial genome.The protein coat of the virus remains outside the bacterium and only the genetic material enters the cell.

The correct option is A incorporates into the bacterial genome
In the lysogenic cycle of viral replication, the viral genome is inserted and incorporated into the bacterial genome.The protein coat of the virus remains outside the bacterium and only the genetic material enters the cell.