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If a double stranded DNA has 20% of cyto...

If a double stranded DNA has 20% of cytosines, calculate the percent of adenine in the DNA.

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The % of cytosine = 20 (given)
Therefore the % of guanine = 20
The % of Thymine + Adenine will be 100-(20+20) = 60.
Therefore the % of adenine will be 60/2 = 30%
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OSWAAL PUBLICATION-MOLECULAR BASIS OF INHERITANCE -TOPIC-1: Short Answer Type Questions-I
  1. Name the types of RNA.

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  2. Group the following as nitrogenous bases and nucleosides: Adenine, Cyt...

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  3. If a double stranded DNA has 20% of cytosines, calculate the percent o...

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  4. If the sequence of one strand of DNA is written as follows: 5'ATGCATGC...

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  5. What changes happen during processing of RNA?

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  6. What is a transcription unit?

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  7. Define genetic material.

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  8. How does DNA express its biological information?

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  9. What is the function of non-sense strand of DNA?

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  10. In which direction are the leading and lagging strands synthesized dur...

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  11. How do histones acquire positive charge?

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  12. Why DNA is considered a better hereditary material than RNA?

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  13. Draw a labelled diagram of a transcription unit.

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  14. A short length of a DNA molecule contains 120 adenine and 120 cytosine...

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  15. A DNA contains 20,000 base pairs. How many nucleotides would be presen...

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  16. Draw a schematic representation of the structure of a transcription un...

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  17. Mention the function of promoter gene in transcription.

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  18. Why RNA is not a suitable genetic material in comparison with DNA ? Ex...

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  19. Differentiate between euchromatin and heterochromatin.

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  20. What do you understand by the antiparallel arrangement of DNA strands?

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