Chapter 17, Problem 9

Complete the following table:

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Hi everyone here we are. Question asking which of the following pairs is mismatched. A Pre M RNA contains coding and non coding sequences. This is correct. B t r n A decodes M RNA sequence into proteins. This is correct. C m RNA contains the coding sequences of the gene. This is correct. The small nuclear RNA initiates the transcription process. This is incorrect. Small nuclear RNA S catalyze the splicing of pre M r N. A and that is a component of the splices own. So our answer here is the small nuclear RNA A initiates the transcription process that is mismatched. Thank you for watching. Bye.

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Textbook Question

Using Figure 17.6, identify a 5′→3′ sequence of nucleotides in the DNA template strand for an mRNA coding for the polypeptide sequence Phe-Pro-Lys. a. 5′-UUUCCCAAA-3′ b. 5′-GAACCCCTT-3′ c. 5′-CTTCGGGAA-3′ d. 5′-AAACCCUUU-3′

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Textbook Question

Which of the following mutations would be most likely to have a harmful effect on an organism? a. a deletion of three nucleotides near the middle of a gene b. a single nucleotide deletion in the middle of an intron c. a single nucleotide deletion near the end of the coding sequence d. a single nucleotide insertion downstream of, and close to, the start of the coding sequence

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Textbook Question

Would the coupling of the processes shown in Figure 17.24 be found in a eukaryotic cell? Explain why or why not.

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