Question:

In which of the following patterns of viral replication, viruses enter a cell, replicate and then cause the cell to burst, releasing new viruses?

Updated On: Jul 27, 2022
  • Lytic
  • Lysogenic
  • Repreogenic
  • Both (a) and (b)
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The Correct Option is A

Solution and Explanation

In the lytic cycle, a virus enters a cell and causes it to produce viral nucleic acid and protein coats. After these viral pans are assembled, the new virus panicles may burst from the host cell or may leave the host cell by budding. In the lysogenic cycle, viruses enter into a long-term relationship with the cells they infect, their nucleic add replicating as the cells multiply.
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Concepts Used:

Viruses and Subviral Particles

  • Viruses are not the only submicroscopic bodies capable of causing disorders within cells.
  • Sub-viral particles are infectious agents that bear a resemblance to viruses in structure and composition. But they are notably smaller and simpler than viruses but lack either nucleic acid or protein and are thus not viruses. (Thus they may be proteins beyond nucleic acids or only nucleic acids beyond protein coat /capsid.)
  • There are 3 sub-viral agents.
    • Prions
    • Viroids
    • Virusoids