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Purine possess nitrogen at...

Purine possess nitrogen at

A

1,2, 4 and 6 position

B

1, 3, 5 and 7 position

C

1,3, 7 and 9 position

D

1,2,6and8 position

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The correct Answer is:
C
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MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -COMPETITION FILE OBJECTIVE TYPE QUESTIONS (Multiple Choice Questions (MCQs) :)
  1. Which of the following sequences will be produced as a result of trans...

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  2. Transposons are

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  3. Purine possess nitrogen at

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  4. Test cross is a cross between:

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  5. In a DNA molecule distance between two bases is

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  6. Semiconservative model of DNA replication was proposed by which worker...

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  7. The enzyme needed in biological system for joining two molecules is ca...

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  8. Which of the following is structural subunit of DNA ?

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  9. Nitrogenous bases present in DNA

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  10. DNA replication occurs during which part of cell cycle?

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  11. Which is not found in RNA?

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  12. Hargovind Khorana is known for

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  13. The lac operon consists of

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  14. The unequivocal proof of DNA as the genetic material came from the stu...

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  15. Given below is a sample of a portion of DNA strand giving the base seq...

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  16. The double helical model of the DNA was proposed by Watson and Crick b...

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  17. The pyrimidine base which confers additional stability to DNA over RNA...

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  18. Methyl guanosine triphosphate is associated with :

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  19. Which one the following statements are correct ? (i) RNA polymerase ...

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  20. In Hershey and Chase experiments , radioactive .^(32)P was used to cul...

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