Alternative Splicing — Definition & Function
Read this topicExplanations 4
- Making Many Proteins From One Gene Alternative splicing is a process that allows one segment of DNA to produce different proteins by changing the way that it is cut. Most genes …
By Aaron Lauer, Alex Federspiel, Deena Hauze, Gabi Slizewska, Mario Janakis
- What Is Alternative Splicing? Alternate splicing is a part of gene expression that lets one gene code for multiple proteins. Picking and choosing which exons are expressed leads…
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Mario Janakis
- What Are Introns and Exons? In order to understand what alternative splicing is, it's important to first understand what exactly exons and introns are. First, an mRNA transcript…
By Daniel, Deena Hauze, Gabi Slizewska, Alex Federspiel, Mario Janakis
- (Video) Alternate mRNA Splicing by Ellen Kane Check out this video to see a visual representation of how pre-mRNA can be spliced in different ways to create different proteins.
By Mario Janakis
Problems 20
- How would the potential products of alternative splicing differ from one another? Check all that apply.
- Two different proteins made from alternative splicing will:
- Fill in the blank: In alternative splicing, different 000‾\underline{\phantom{000}}000 are spliced together.
- Alternative splicing occurs during:
- Where in the image above would alternative splicing occur?
- Alternative splicing is facilitated by a spliceosome. What makes up the spliceosome? Check all that apply.
- After transcription, you get this pre-mRNA strand made of exons and introns: A-B-C-D-E The letters represent exons and the dashes represent the introns. Which of the following i…
- Looking at the picture above, which mature mRNA would not correspond to the pre-mRNA?
- The picture above shows a pre-mRNA strand with several exons and introns. Below it are 3 possible mature mRNA strands that can be created from it. What is this called?
- The presence of which of the following allows for alternative splicing?
- Why do parts of the DNA strand form those loops?
- After several rounds of transcription of a particular gene, you find 2 strands of mRNA which have different lengths. Which of the following is the best explanation for this?
- How is it possible for one gene to code for multiple proteins?
- When does alternative splicing take place?
- What process can remove some exons from an mRNA molecule?
- Scientists estimate that the human body can make millions of unique proteins, even though it only has about 20,000-25,000 genes. How is this possible?
- How is alternative splicing different from a mutation?
- The Central Dogma describes the transfer of genetic information in most organisms. Where in this outline would you place alternative splicing?
- Alternative splicing creates protein isoforms. What are those?
- What can be removed during alternative splicing?