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Molecular Basis of Inheritance

Short Answer Type

51.

Explain Central Dogma of flow of information.

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52.

Give a schematic structure of transcription unit.

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Long Answer Type

53. Explain briefly transcription.

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54. What are retroviruses ? How has their discovery led to the modification of central dogma in molecular biology ?

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Short Answer Type

55. What is retrovirus ?

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Long Answer Type

56. What is genetic code ? List the properties of genetic code.

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57. What is RNA polymerase ? Write its functions.

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One Word Answers

58.

What is the full form of VNTR

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Short Answer Type

59. Suppose during transcription of DNA code AAA, a mistake occurs due to which UUG code of RNA is formed. Due to this what change in picking the type of amino acid would occur during synthesis of protein.

AAA code of DNA would have transcribed UUU code on mRNA which code for phenylalanine amino acid. Due to change in code on mRNA, UUG is coded and it will code for a different amino acid. UUG will code for leucine amino acid.

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60. What is the role of AUG?

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