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Assertion (A): Archaea are classed in a domain of their own rather than among the bacteria.
Reason (R): Their membrane lipids and gene sequences differ profoundly from bacterial ones.

  • A.A is false but R is true
  • B.Both A and R are true, and R is the correct explanation of A
  • C.Both A and R are true, but R is not the correct explanation of A
  • D.A is true but R is false

Answer: B

Both are true and the reason gives the grounds: the differences run deeper than those separating many bacterial groups from one another, and in several respects the archaeal machinery is closer to the eukaryotic than the bacterial.

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