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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 ?

Retroviruses are those viruses in which RNA is used to form DNA. The enzyme reverse transcriptase performs this function.
Their discovery led to the modification of central dogma they showed that RNA is used as a template to form DNA the reverse of what is shown in central dogma.

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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.

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60. What is the role of AUG?

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