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Diameter and pitch per turn of helix of ...

Diameter and pitch per turn of helix of 'A' model of DNA is

A

26Å & 25Å

B

20Å & 34Å

C

18Å & 46Å

D

19Å & 20Å

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The correct Answer is:
A
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TRUEMAN BIOLOGY-MOLECULAR BASIS OF INHERITANCE-MCQs
  1. In 'B' model of DNA,the diameter is 20Å. It is in Z DNA.

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  2. Which statement is wrong about DNA?

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  3. Diameter and pitch per turn of helix of 'A' model of DNA is

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  4. The enzyme which helps to cut one strand of DNA duplex to release tens...

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  5. DNA is geneticmaterial was proved by

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  6. Proteins that help to open up DNA helix in front of the replication fo...

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  7. By using proteins from TMV (Tobacco-mosaic virus) and RNA from HRV (Ho...

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  8. The experimental system used in studies on replication of DNA is

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  9. Amount of DNA per diploid cell of man and its length is about

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  10. Central Dogma of modern genetics is

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  11. Eukaryotes differ from prokaryotes in the mechanism of DNA replication...

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  12. DNA replication is:-

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  13. Under the concept of triplet code, the segment of DNA specifying one f...

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  14. When DNA is transferred from a culture of capsulated pneumococcus to a...

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  15. Sum of all the genes is a population is called

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  16. If 50 heavy DNA (N^(15)) molecules are replicated 2 times in N^(14) me...

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  17. The experiment which proved conclusively that during infection only DN...

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  18. There is some permissible latitude in the pairing of the third base in...

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  19. A DNA molecule in E. coli is heavy and labelled with N^(15). Iit is al...

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  20. Taylor experiment on Vicia faba (broad bean) root tips using autoradio...

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