How many rings are present in a pyrimidine nitrogenous base?

  • A
    One
  • B
    Two
  • C
    Three
  • D
    Four

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Select the correct option from the following.

The Feulgen reaction is useful for the detection of:

Identify in which of the following carbon compounds heterocyclic rings can be found?

The structural component of nucleic acids is:

Which bond connects two nucleotides?

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