What is the role of m-RNA, t-RNA and rRNA in protein synthesis ?
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    Molecular Basis of Inheritance

    Multiple Choice QuestionsShort Answer Type

    41. Write differences between Prokaryotic DNA and Eukaryotic DNA.
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    42.

    Differentiate between the followings:
    (a) Repetitive DNA and Satellite DNA
    (b) mRNA and tRNA
    (c) Template strand and Coding strand

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    43. Which property of DNA double helix led Watson and Crick to hypothesize semi-conservative mode of DNA replication ? Explain.
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    44. Differentiate Leading Strand and Lagging Strand.
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    Multiple Choice QuestionsLong Answer Type

    45.

    Sketch and explain clover leaf model of tRNA.

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    Multiple Choice QuestionsOne Word Answers

    46. Who developed DNA fingerprinting technique.
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    Multiple Choice QuestionsShort Answer Type

    47. Write a note on repair replication.
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    48.

    Write a note on messenger RNA.

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    49. What is the role of m-RNA, t-RNA and rRNA in protein synthesis ?

    Or

    Why all the three RNAs are needed to synthesise a protein in a cell ?

    Role of mRNA- It acts as an transcript and carries information from DNA to protein. mRNA has sequence of bases in form of triplets called genetic code.

    Role of tRNA. tRNA iacts as an adaptor and  carries amino acid to mRNA.

    Role of Ribosomal rRNA rRNA is present in ribosomes. It helps in providing site for protein synthesis.

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    50. RNA was first genetic material, DNA evolved later on. Explain.
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