What Are Exons? — Definition & Role in Transcription
Read this topicExplanations 3
- Protein-coding Genes Exons are the regions of RNA that are used to produce amino acids and proteins. A gene on DNA contains more base pairs than necessary to produce the desired…
By Aaron Lauer, Deena Hauze, Gabi Slizewska, Mario Janakis, Caroline K
- (Video) What Are Introns and Exons? by A Tale of Two Genes The DNA sequences that code for proteins are called exons. They are called exons because they are expressed during pro…
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Mario Janakis, Caroline K
- Coding for Proteins A gene is a sequence of nucleotide bases that holds the information for how to make a protein. All the different proteins in our body are responsible for the…
By Gabi Slizewska, Sylvia Freeman, Mario Janakis
Problems 20
- Which of these actually gets to be translated into a protein?
- Which of the following statements is false?
- What is an exon?
- What is the difference between introns and exons?
- The picture above illustrates a missense mutation in a strand of pre-mRNA, denoted by a red X. The pre-mRNA is spliced normally. How might this mutation affect the protein produ…
- The ________ removes the extra base pairs called _________ .
- What would likely happen if an exon was included in the final mRNA to code for the protein product?
- What regions of pre-mRNA molecules code for a protein?
- What kind of molecule is most likely shown in the picture above?
- Why is a mature mRNA molecule shorter than pre-mRNA?
- Which of the following phrases could be useful in remembering what and exon is?
- When a DNA strand matches up with its mRNA transcript, it looks something like the picture above. Which parts of the DNA strand can bind to the mRNA?
- Fill in the blank. 000‾\underline{\phantom{000}}000 are translated into a protein.
- Fill in the blank. A mature mRNA molecule consists of 000‾\underline{\phantom{000}}000.
- What are the coding regions of a gene?
- What process can remove some exons from an mRNA molecule?
- Fill in the blank. After splicing only 000‾\underline{\phantom{000}}000 are left.
- What is read during translation?
- Above are the pre-mRNA and mRNA transcripts of gene X. How many exons are in gene X?
- The picture above shows pre-mRNA and the mRNA once the introns are spliced out. How many different mRNA strands (including this one) are possible?