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Question: 1 how many fragments of dna will be produced if...

Question details
1) How many fragments of DNA will be produced, if you digest pBR322 with the restriction enzyme EcoR1?

2) (more than one answer) A mature eukaryotic mRNA contains the following:
a)Introns
b)Exons
c)Poly A tail
d)A methylated guanine cap
e)UTR our side start and stop codons

3) Which of the following statements are correct ?
a)An eukaryotic promoter contains TATA box
b)A protein molecule terminates with one acidic and one basic ends
c) Several transcription factors are involved in initiating a gene transcription
d) An RNA primer is needed for gene transcription
e) RNA polymerase || is responsible for eukaryotic gene transcription
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