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State the dual role of deoxyribonucleosi...

State the dual role of deoxyribonucleoside triphosphates during DNA replication.

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In addition to acting as substrates. they provide energy for polymerisation reaction. The two terminal phosphates in a deoxynucleoside triphosphates are high energy phosphates, same as in case of ATP
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TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-B
  1. Answer the questions based on the dinucleotide shown below : (i)N...

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  2. How do histones acquire positive charge?

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  3. State the dual role of deoxyribonucleoside triphosphates during DNA re...

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  4. Mention the role of ribosomes in peptide-bond formation. How does ATP ...

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  5. In a Mendelian monohybrid cross the F2 generation shows identical geno...

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  6. What is Down's syndrome? Give its symptoms and cause. Why is it that t...

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  7. What are the characteristic features of a trur-breeding line?

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  8. If a father and son are both defective in red-green color vision, is i...

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  9. What would happen if histones were to be mutated and made rich in acid...

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  10. Recall the experiment done by Frederick Griffith. If RNA, instead of D...

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  11. Describe Chargaff rule.

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  12. Differentiate between nucleotide and nucleoside.

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  13. Mention the indusers in Lac and tryptophan operon concept.

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  14. Expand VNTR. Mention its application.

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  15. Define DNA polymerisation. Mention the role of REN and DNA ligase.

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  16. Name the accepted model of plasma membrane. Who proposed it?

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  17. What are the functions of (i) methylated guanasine cap, (ii) poly-A"ta...

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  18. Differentiate between Exons and Introns.

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  19. Comment on the utility of variability in number of tandem repeats duri...

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  20. Write the full of VNTR. How is VNTR different from 'Probe' ?

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