Multiple Choice
Which of the following is a characteristic of RNA splicing in eukaryotes?
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15. Gene Expression
Eukaryotic RNA Processing and Splicing
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Where in the cell is the pre-mRNA processed into mature mRNA?
A
Cytoplasm
B
Nucleus
C
Ribosome
D
Endoplasmic Reticulum
Verified step by step guidance1
Understand that pre-mRNA is the initial form of mRNA that is transcribed from DNA in eukaryotic cells.
Recognize that pre-mRNA undergoes several processing steps before becoming mature mRNA, including capping, polyadenylation, and splicing.
Identify the location where these processing steps occur. In eukaryotic cells, these processes take place in the nucleus.
Recall that the mature mRNA is then transported out of the nucleus into the cytoplasm for translation.
Conclude that the nucleus is the site where pre-mRNA is processed into mature mRNA, not the cytoplasm, ribosome, or endoplasmic reticulum.
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