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Questions and Answers
What is the purpose of cutting out introns from pre-mRNA molecules?
What is the purpose of cutting out introns from pre-mRNA molecules?
- To remove errors in the RNA sequence
- To allow for gene expression to occur in different tissues
- The exact purpose is still unknown to biologists (correct)
- To increase the size of the final mRNA molecule
What is the name given to the parts of pre-mRNA molecules that are cut out and discarded?
What is the name given to the parts of pre-mRNA molecules that are cut out and discarded?
- Exons
- Introns (correct)
- Nucleus fragments
- mRNA molecules
Where does the splicing of pre-mRNA molecules occur in eukaryotes?
Where does the splicing of pre-mRNA molecules occur in eukaryotes?
- In the mitochondria
- In the nucleus (correct)
- In the ribosomes
- In the cytoplasm
What is the result of different tissues cutting and splicing pre-mRNA molecules in different ways?
What is the result of different tissues cutting and splicing pre-mRNA molecules in different ways?
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What is the name given to the remaining pieces of pre-mRNA molecules after introns are removed?
What is the name given to the remaining pieces of pre-mRNA molecules after introns are removed?
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What is a possible role of introns and exons in evolution?
What is a possible role of introns and exons in evolution?
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