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The double helical model of the DNA was ...

The double helical model of the DNA was proposed by Watson and Crick based on what data produced by wilkins and Franklin

A

Hybridization

B

DNA sequencing

C

Southern blotling

D

X-ray diffraction

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The correct Answer is:
D
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MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -COMPETITION FILE OBJECTIVE TYPE QUESTIONS (Multiple Choice Questions (MCQs) :)
  1. The unequivocal proof of DNA as the genetic material came from the stu...

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

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

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

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  5. Methyl guanosine triphosphate is associated with :

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

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

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  8. The inducer for switching 'on' the lac operon in bacteria is

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  9. Select the incorrect statement (s) : 1. Six codons do not code for ...

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  10. The haploid content of human DNA is

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  11. During transcription, DNA site at which RNA polymerase binds is called

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  12. In a double stranded DNA molecule , the percentage of cytosine is 18. ...

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  13. DNA contains nucleobases, sugar and phosphate. Removal of which among ...

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  14. The number of codons that code different amino acids is

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  15. Some amino acids are coded by more than one codon

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  16. Out of 64 codons, the number of codons with GGGis

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  17. The genetic material of a virioid is :

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  18. Which among the following codons not have t-RNAs ?

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  19. In lac operon , the genes a, I, y and z code respectively for

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  20. In humans most number of genes are located on chromosome

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