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Question:

A gene encodes a protein with 150 amino acids. There is one intron of 1,000 bps , a region of 5' UTR of 100 bp, and a 3' UTR of 200 bp. In the final processed mRNA, how many bases lie between the start AUG codon and the final termination codon ?

A) 1,750
B) 750
C) 650
D) 450
E) 150

Answer: ? (Please provide an explanation for how you reached your answer)
 
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