8/10/2019 Molecular biolgy

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Revision Test -(Molecular basis of inheritance) MM:45

1. Name the factors for RNA polymerase enzyme which recognises the start andterminationsignals on DNA for transcription process in Bacteria.(1)

2. Mention the fnction of non-histoneprotein.(1)!. Dring translationwhat role is performed "y tRNA(1)#. RNA $irses mtate and e$ol$e faster than other $irses. %hy&(1)'. Name the parts * and +* of the transcription nit gi$en "elow.(1)

,. Mention the dal fnctions of AUG.(1)-. %rite the segment of RNA transcri"ed from the gi$en DNA (1)

!/ A 0 A 0 A 0 0 A '/ 0emplate3trand

'/ 0 A 0 A 0 A A 0 !/ oding 3trand4. 0he process of termination dring transcription in a pro5aryotic cell is "eing

represented here. Name the la"el a6 "6 c and d.(2)

7. i$e two reasons why "oth the strands of DNA are not copied dringtranscription.(2)18. Mention any two applications of DNA ner!rintin.(2)11. 3tate the # criteria which a molecle mst fl9ll to act as a enetic"aterial.(2)12. i$e si: points of di;erence "etween DNA and RNA in their strctre