2. The following figure represents the primary transcript of a typical eukaryotic protein-coding gene: Polyadenylation site Exon 1 Intron 1 Exon 2 Intron 2 Exon 3 bp: 1 50 600 945 1205 1393 1725 What is the size in bases of the fully processed, mature mRNA? Assume a poly (A) tail of 200 adenine а. residues in your calculations. b. This primary transcript is responsible for the production of a 294 amino acid protein in the liver and a 270 amino acid protein in the brain. Explain how this is possible.

Biology Today and Tomorrow without Physiology (MindTap Course List)
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Author:Cecie Starr, Christine Evers, Lisa Starr
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Chapter7: Gene Expression And Control
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The following figure represents the primary transcript of a typical eukaryotic protein-coding gene:
Polyadenylation site
Exon 1
Intron 1
Exon 2
Intron 2
Exon 3
bp: 1
50
600
945
1205
1393
1725
a.
What is the size in bases of the fully processed, mature mRNA? Assume a poly (A) tail of 200 adenine
residues in your calculations.
b. This primary transcript is responsible for the production of a 294 amino acid protein in the liver and a 270
amino acid protein in the brain. Explain how this is possible.
2.
Transcribed Image Text:The following figure represents the primary transcript of a typical eukaryotic protein-coding gene: Polyadenylation site Exon 1 Intron 1 Exon 2 Intron 2 Exon 3 bp: 1 50 600 945 1205 1393 1725 a. What is the size in bases of the fully processed, mature mRNA? Assume a poly (A) tail of 200 adenine residues in your calculations. b. This primary transcript is responsible for the production of a 294 amino acid protein in the liver and a 270 amino acid protein in the brain. Explain how this is possible. 2.
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