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Given below is a sequence of steps of tr...

Given below is a sequence of steps of transcription in a eukaryotic cell. Fill up the blanks (1,2,3,4) left in the sequence .

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(1)RNA polymerase , (2)hn , (3)m , (4)poly A tail
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Knowledge Check

  • If the sequence of nitrogen bases of the coding strand of DNA in atranscription unit is 5'- A T GAATG - 3', the sequence of bases in its RNA transcript would be:

    A
    5' - AU GAAUG-3'.
    B
    5'-UACUUAC-3.
    C
    5'-CAUUCAU-3'.
    D
    5'-GUA AGUA-3'.

  • In the fllowing sequence of reactions ArarrBrarrCH_3CH_2OH

    A
    `CH_3NO_2`
    B
    propane nitrile
    C
    `CH_3NC`
    D
    ethane nitrile

  • Divide a line segment 6 cm long in the ratio 4 : 3. Given below are steps of construction. Which of the following steps is incorrect? Step 1 : Draw a line segment AB = 6 cm. Step 2 : Draw a ray AX making an acute angle BAX Step 3: Along AX mark 4 points A_1, A_2, A_3, and A_4 such that A A_1 = A_1 A_2 = A_2 A_3 = A_3 A_4 . Step 4: Join A_4 B . Step 5: From A_3 drawn A_3 C || A_4 B meeting AB at C.

    A
    Step 3 only
    B
    Step 4 only
    C
    Step 3 and 4
    D
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