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DNA was discovered by...

DNA was discovered by

A

Meischer

B

Robert Brown

C

Flemming

D

Watson & Crick

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The correct Answer is:
A
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ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-I (CONCEPTUAL QUESTIONS)
  1. What are the structural units of nucleic acids?

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  2. Which element is not found in nitrogenous base :-

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  3. DNA was discovered by

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  4. Nucleic acid (DNA) is not found in -

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  5. DNA is not present is

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  6. A nucleic acid contains thymine or methylated uracil then it should be...

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  7. The prokaryotic genetic system contains : (a) either DNA or histones...

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  8. A N(2-) base together with pentose sugar and phosphate froms (or) buil...

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  9. One of the characteristic of DNA is -

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  10. Which of the following is not a pyrimidine base ?

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  11. The purine & pyrimidine pairs of complementry strands of DNA are held ...

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  12. number of H-bonds between guanine and cytosine are-

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  13. Which purine & pyrimidine bases are paired together by H- bonds in DNA...

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  14. A single stranded DNA is present in-

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  15. What is the nature of the strands of the DNA duplex ?

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  16. On an average, hwo many purine N(2) bases are present in single coil o...

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  17. Distance between two nucleotide pairs of DNA is

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  18. Histone occupies the major groove of a DNA at an angle of

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  19. Strongest evidence that DNA is genetic material comes from-

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  20. Chargaff's rule is correctly exemplified by

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