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Which statement is wrong about DNA?...

Which statement is wrong about DNA?

A

Some viruses have ssDNA

B

Some viruses have dsRNA

C

Z' DNA has 12 base pairs per helix

D

Length of one helix in 'B' DNA is 45Å and 'Z' DNA is 34Å.

Text Solution

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The correct Answer is:
D
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TRUEMAN BIOLOGY-MOLECULAR BASIS OF INHERITANCE-MCQs
  1. Viruses with double stranded (ds) RNA are

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  2. In 'B' model of DNA,the diameter is 20Å. It is in Z DNA.

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  3. Which statement is wrong about DNA?

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

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

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  6. DNA is geneticmaterial was proved by

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

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

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

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

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  11. Central Dogma of modern genetics is

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

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  13. DNA replication is:-

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

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

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

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

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

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

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

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