quiz 3 answers

quiz 3 answers - Biology 302 Quiz 3 Nov. 18, 2010...

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Biology 302 Quiz 3 Nov. 18, 2010 Name:__ANSWERS__ True-False. (1 point each) 1. __T_ Transcriptional termination in both prokaryotes and eukaryotes requires specific sequences in the DNA. 2. __F_ The addition of the poly A tail to a eukaryotic mRNA requires a series of Ts in the corresponding region of the DNA. 3. __F_The addition of the poly A tail to a eukaryotic mRNA requires a series of Us in the corresponding region of the RNA. 4. _T__ The nuclear pore complex is considered ‘gated’ because it opens in response to specific signals to allow passage of molecules. 5. _F__snRNAs such as U1 and U2 are essential for the formation of a functional ribosome. 6. __F_ The lariat structure that occurs during splicing is used to hold the required proteins in place. 7. _T__ Some human diseases can be due to inherited defects in RNA splicing where the mutation is in the intron, not in a protein coding exon. 8. _T__ All
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quiz 3 answers - Biology 302 Quiz 3 Nov. 18, 2010...

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