Asked in PMC Practice Test 13 (2021) 2021Moderate

Which of the following statements are true about a virion?

Correct answer: D. An infectious and fully forward viral particle

  • A. Lytic phage
  • B. Lysogenic phage
  • C. The viral capsid
  • D. An infectious and fully forward viral particle

Explanation

A complete mature,infectious particle having inner nucleic acid and capsid around it is called a virion.

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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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