Multiple Choice
Which of the following sequences would you expect to find in a processed eukaryotic mRNA?
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15. Gene Expression
Eukaryotic RNA Processing and Splicing
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What is the term for the nucleotide sequences that are removed during mRNA processing?
A
Anticodons
B
Codons
C
Introns
D
Exons
Verified step by step guidance1
Understand that mRNA processing is a crucial step in gene expression where the initial RNA transcript, known as pre-mRNA, is modified to become mature mRNA.
Recognize that during mRNA processing, certain sequences within the pre-mRNA are removed. These sequences are called introns.
Introns are non-coding regions, meaning they do not code for proteins and are spliced out of the pre-mRNA.
The remaining sequences, which are not removed and are joined together, are called exons. Exons are coding regions that will be translated into proteins.
Therefore, the term for the nucleotide sequences that are removed during mRNA processing is 'introns'.
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