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Write functions of mRNA, tRNA and rRNA....

Write functions of mRNA, tRNA and rRNA.

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What are the functions of mRNA and tRNA ? What anticodons will be required to recognize the following codons ? (i) AAU, (ii) CGA, (iii) UAU, (iv) GCA.

What is the function of tRNA ?

Assertion : There is single DNA-dependent RNA polymerase that catalyses transcription of all types of RNA (mRNA, tRNA and rRNA) in eukaryotes. Reason : In bacteria, there are at least three RNA polymearases are required.

[A] : In mitosis , most of the ordered sequence of phases occur during I phase . [R] : Synthesis of mRNA , tRNA and ribosomal RNA occurs is G_(1) and replication of DNA of S phase .

Assertion Reading codons and consequent translation into protein are functions of tRNA Reason Anticodon can recognise the codon

Assertion : All three ENAs (mRNA, tRNA and rRNA) are needed to synthesise a protein in a cell. Reason : The mRNA provides the template, RNA brings aminoacids and reads the genetic code, and tRNA play structural and catalytic role.

Which antibiotic inhibitis interaction between tRNA and mRNA during

Which antibiotic inhibits interaction between tRNA and mRNA during bacterial protein synthesis ?

(a) Name the enzyme responsible for the transcription of tRNA and the amino acid the initiator tRNA gets linked with. (b) Explain the role of initiator tRNA in initiation of protein synthesis.

MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -REVISION EXERCISES (Short Answer Type-II Questions)
  1. ‘DNA replication is said to be semiconservative.' Why? Describe the ex...

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  2. Describe in brief the steps of initiation phase of transcription.

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  3. Write functions of mRNA, tRNA and rRNA.

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  4. (a) Draw the structure of the intiiator tRNA adaptor molecule. (b) Wh...

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  5. Explain the dual function of AUG codon. Give the sequence of bases it ...

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  6. How is the translation of mRNA terminated ? Explain.

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  7. What are Satellite DNA in a genome? Explain their role in DNA fingerpr...

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  8. A tRNA is charged with amino acid methionine : (i) Name the process ...

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  9. In a series of experiments with Streptococcus and mice F. Griffith con...

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  10. (i) Name the enzyme that catalyses the transcription of hnRNA. (ii)...

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  11. Unambiguous, universal and degenerate are some of the terms used for t...

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  12. (a) Why did Meselson and Stahl use ""^(14)N and ""^(15)N isotopes in t...

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  13. In a maternity clinic, for some reasons the authorities are not able t...

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  14. Explain the two factors responsible for conferring stability to double...

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  15. List the two methodologies which were involved in human genome project...

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  16. Describe the roles of heat , primers and the bacterium Thermus aquatic...

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  17. (a) Mention two events in which DNA is unzipped. (b) Predict the con...

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  18. Explain the process of making heterogamous nuclear RNA (hn RNA) into a...

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  19. (a) Why did Hershey and Chase use radioactive ""^(32)P and ""^(35)S in...

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  20. A segment of DNA molecule comprises of 546 nucleotides. How many cytos...

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