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The fact that a purine base always paire...

The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to , in the DNA double helix :

A

The antiparallel nature

B

The semiconservative nature

C

Uniform width throughout DNA

D

Uniform length in all DNA

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The correct Answer is:
C
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USHA PUBLICATION-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. A nucleoside differs from a nucleotide . It lacks the :

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  2. Both deoxyribose and ribose belong to a class of sugars called :

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  3. The fact that a purine base always paired through hydrogen bonds with ...

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  4. The net electric charge on DNA and histones is :

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  5. The promoter site and the terminator site for transcription are locate...

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  6. Which of the following statements is the most appropriate for sickle c...

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  7. One of the following is true with respect to AUG :

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  8. The first genetic material could be :

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  9. With regard to mature mRNA in eukaryotes :

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  10. The human chromosome with the highest and least number of genes in the...

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  11. Who amongst the following scientists had no contribution the developme...

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  12. DNA is a polymer of nucleotides which are linked to each other by 3' -...

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  13. Discontinuous synthesis of DNA occurs in one strand because :

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  14. Which of the following steps in transcription is catalysed by RNA poly...

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  15. The polymerase that has 5'-3' exonuclease property is known as ..........

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  16. Regulatory proteins are the accessory proteins that interact with RNA ...

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  17. Which was the last human chromosome to be completely sequenced :

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  18. Which of the following are the functions of RNA ?

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  19. While analysing the DNA of an organism a total number of 5386 nucleoti...

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  20. In some viruses , DNA is synthesised by using RNA as template . Such a...

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