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RNA Splicing: Removing Introns and Creating mRNA

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RNA Splicing: Removing Introns and Creating mRNA

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Questions and Answers

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?

Exons

Introns (correct)

Nucleus fragments

mRNA molecules

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?

A single gene produces multiple mRNA molecules Signup and view all the answers

What is the name given to the remaining pieces of pre-mRNA molecules after introns are removed?

Exons Signup and view all the answers

What is a possible role of introns and exons in evolution?

They allow for very small changes in DNA to have dramatic effects on gene function Signup and view all the answers

RNA Splicing: Removing Introns and Creating mRNA

Choose a study mode

Podcast

Questions and Answers

What is the purpose of cutting out introns from pre-mRNA molecules?

What is the name given to the parts of pre-mRNA molecules that are cut out and discarded?

Where does the splicing of pre-mRNA molecules occur in eukaryotes?

What is the result of different tissues cutting and splicing pre-mRNA molecules in different ways?

What is the name given to the remaining pieces of pre-mRNA molecules after introns are removed?

What is a possible role of introns and exons in evolution?

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