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DNA as an acidic substance present in nu...

DNA as an acidic substance present in nucleus was first identified by ______ in 1869, he named it as _________

A

Meischer , nuclein

B

Watson and Crick , DNA

C

Chargaff, nuclein

D

Wilkins and Franklin, double helix

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NCERT FINGERTIPS ENGLISH-MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
  1. In a DNA molecule, the phosphate group is attached to carbon of the su...

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  2. Which of the following shown the correct positions of the phoshate (P)...

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  3. DNA as an acidic substance present in nucleus was first identified by ...

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  4. Which of the following pairs is incorrectly matched?

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  5. Watson and Crick (1953) proposed DNA was based on (i) X-ray diffract...

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  6. If a double stranded DNA has 20% of cytosine, what will be the percent...

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  7. In one polyncleotide strand of a DNA molecule the ratio of A+T//G+C ...

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  8. If the sequence of bases in one strand of DNA is ATGCATGCA, what woul...

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  9. Refer to the given figure

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  10. Given figure represents the DNA double helix model as proposed by Was...

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  11. The given flow chart represents the flow of genetic information betwee...

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  12. Synthesis of DNA from RNA is explained by

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  13. Histone proteins are

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  14. What does the given diagram represent ?

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  15. The structure in chromatin seen as 'beads-on' string' when viewed unde...

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  16. Refer the given figure of nucleosome and select the option that correc...

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  17. Read the following satements and select the correct option. Loosely ...

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  18. Find out the wrong statement about heterochromatin.

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  19. The year 2003 was celebrated as the 50^(th) anniversary of discovery ...

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  20. The proces of transformation is not affected by which of the following...

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