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The reason for double helical structure ...

The reason for double helical structure of DNA is operation of

A

Vander waal's forces

B

Dipole-dipole interaction

C

Hydrogen bonding

D

Electrostatic attractions

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-BIOMOLECULES-EXERCISE - II (Nucleic acids)
  1. In the nucleotide namely adenosine-5'-tri phosphate, the sequence of l...

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  2. Incorrect relationship regarding all types of living species is

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  3. The reason for double helical structure of DNA is operation of

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  4. The ratio of the number of ketonic groups in cytosine, thymine and ura...

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  5. In nucleosides, both base and sugar are joined by

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  6. The number of hydrogen bonds present in the sequence of a stretch of a...

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  7. Two samples of DNA, A and B have melting points 340K and 350 K respect...

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  8. Which one of the following sequence of groups in AMP ?

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  9. The process in which strands of melted DNA hybridise on cooling is kno...

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  10. Insulin has two polypeptide chains. These polypeptide chains are held ...

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  11. Which one of the following statement is incorrect regarding the protei...

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  12. Through this experiment Avery, Macleod and Mc Carty had showed that DN...

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  13. The ratio of phosphates, sugars and nitrogen bases in ds-DNA

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  14. Chargaff did not establish that

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  15. Length of DNA is 1700A^(@). The number of nucleotides it contains is

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  16. The minimum and maximum number of hydrogen bonds found in a coil of ds...

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  17. The most unstable molecule is

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  18. RNA which is almost in the form of a regular double helix is

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  19. t-RNA can not be called

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  20. Three major types of RNA are physically brought together during

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