Asked in PMC Practice Test 29 (2021) 2021Moderate

Maturation occurs in which stage of the bacteriophage life cycle?

Correct answer: B. Lytic cycle

  • A. Lysogenic cycle
  • B. Lytic cycle
  • C. Both
  • D. None

Explanation

Maturation is when the nucleic material of the bacteriophage has been replicated and now new bacteriophages are being assembled for release. It is a vital stage in the lytic cycle of the bacteriophage life cycle. The maturation step is where the viral components are assembled into complete, infectious virions, and it occurs just before the lysis of the host cell. Therefore, maturation is a distinct stage within the lytic cycle. Therefore, option B is correct.

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About Viruses

Viruses are acellular infectious particles made of genetic material enclosed by a protein capsid, sometimes with a lipid envelope. Their replication depends on a host cell and may follow lytic or lysogenic cycles, so viral structure and reproduction differ fundamentally from those of cellular organisms such as bacteria.

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