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The double helix of DNA is made of polyn...

The double helix of DNA is made of polynucleotide chains where backbone constituted by sugar-phosphate and bases are projected `:`

A

Inside

B

Outside

C

One base inside and other outside

D

Bases remain in line of sugar phosphate

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The correct Answer is:
A
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The two polynucleotide chains in DNA are

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The double helix model of DNA was proposed by

The salient feature of DNA are - (i) It is made of two polynucleotide chain (ii) Back bone is constituted by sugar and nitrogen base (iii) Two chain hacve parallel polarity (iv) Bases in two strands are paired through H-bonds (v) The two chain are coiled in a left handed fashion

The two strands/two polynucleotide chains of DNA are

MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -COMPETITION FILE OBJECTIVE TYPE QUESTIONS (Multiple Choice Questions (MCQs) :)
  1. If a radiolabel is used to tag a DNA molecule, the technique used to l...

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  2. The synthesis of DNA is discontinuous on one strand of the replication...

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  3. The double helix of DNA is made of polynucleotide chains where backbon...

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  4. Among the RNA polymerases, the RNA polymerase-II transcribes:

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  5. Select the correct option

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  6. Which one of the following is wrongly matched?

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  7. Transformation was discovered by

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  8. Identify the palindromic sequence in the following

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  9. The process of transfer of genetic information is :

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  10. Reverse transcriptase is

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  11. In griffith's experiment, the conversion of R-type to S-type of Diploc...

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  12. In processing of eukaryotic hn-RNA, during protein synthesis tailing i...

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  13. The cloning vectors M13 has genetic material

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  14. During DNA replication, the addition of nucleotides on the lagging str...

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  15. The technique of produing large number of genetically similar p...

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  16. Transposons are sequnces of :

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  17. Which of the following is correct pair of pyrimidine bases

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  18. The Human Genome Project (HGP) was initiated in

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  19. Sequence of amino acids in a polypeptide is determined by

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  20. RNA polymerase -1 transcribes eukaryotic ribosome which does not consi...

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