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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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TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (MOLECULAR BASIS OF INHERITANCE)-MCQs
  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 chromosomes with the highest and least number of genes in th...

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  11. Who amongst the following scientists had no contribution in the develo...

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  12. DNA is a polymer of nucleotides which are linked to each other by 3'-5...

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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. Control of gene experssion takes place at the level of

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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 D...

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