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Name: The portion of the mRNA that is removed during splicing is(a) an inver
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Description: The portion of the mRNA that is removed during splicing is(a) an inverted repeat (b) the promoter (c) the poly A tail (d) the intron (e) the exon

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Biology

The portion of the mRNA that is removed during splicing is (a) an inverted repeat (b) the promoter (c) the poly A tail (d) the intron (e) the exon

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter15: Dna Technology And Genomics

Section: Chapter Questions

Problem 6TYU: A cDNA clone contains (a) introns (b) exons (c) anticodons (d) a and b (e) b and c

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Why would a protein increase mRNA levels? How would you test that to prove your theory?
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RNA splicing is a process that removes the intervening, non-coding sequences of genes (introns) from pre-mRNA and joins the protein-coding sequences (exons) together in order to enable translation of mRNA into a protein. Which sequences within the pre-mRNA determine where splicing occurs? Please don't just copy and paste from the google because I searched and I still couldn't understand
A scientist studies the production of a key digestive enzyme in silk moths. The moths have one gene for this enzyme, and the scientist extracts mRNA transcribed from this gene as well as protein translated from it. The gene has three introns in its sequence. If the researcher compares mRNA from inside the nucleus to mRNA from the ribosomes, what will be found? A. less mRNA in the nucleus B. shorter mRNA in the ribosomes C. identical mRNAs in both places D. mRNA covalently attached to protein in the nucleus
If a human gene is found to contain five introns, the mature mRNA encoded by that gene would have how many exons? a) four exons b) five exons c) six exons d) there could be multiple mRNA that contain between one and six exons
The fourth codon in an mRNA is GGG, which specifies glycine. If we assume that no amino acids are removed from the polypeptide, which of the following statements is correct?a. The third amino acid from the N-terminus is glycine.b. The fourth amino acid from the N-terminus is glycine.c. The third amino acid from the C-terminus is glycine.d. The fourth amino acid from the C-terminus is glycine.
The fourth codon in an mRNA sequence is GGG, which specifies glycine. If we assume that no amino acids are removed from the polypeptide, which of the following statements is correct? a. The third amino acid from the N-terminus is glycine. b. The fourth amino acid from the N-terminus is glycine. c. The third amino acid from the C-terminus is glycine. d. The fourth amino acid from the C-terminus is glycine.
Imagine that you and your colleagues are working in a lab to develop a protein synthesis system for a new type of synthetic cell. During your brainstorming sessions, you propose that polycistronic mRNA would be much more useful than mRNA that is only translated into one protein. This would allow for multiple proteins necessary for a particular function to be translated together. One of your colleagues says that is a good idea, but if you decide to go with polycistronic mRNA, you’d better make sure to use a prokaryotic translation system. Why might it be problematic to use a eukaryotic translation system with polycistronic mRNA? Mention three reasons:
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