Assertion: Plasmids are single-stranded extra chromosomal $DNA$.
Reason: Plasmids are usually present in eukaryotic cells.

  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If both the Assertion and Reason are incorrect.
  • D
    If the Assertion is correct but Reason is incorrect.

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Flagella with a single strand and composed of flagellin protein are found in:

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What is the outermost layer of a prokaryotic cell made of?

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