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During gene expression, splice sites are recognized by specific sequences in the pre-mRNA called splice sites. These sequences signal the splicing machinery to cut out introns and join together exons to form the mature mRNA. Proteins called spliceosomes bind to the splice sites and facilitate the splicing process.

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Q: How are splice sites recognized during the process of gene expression?
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What are the regions of DNA called that code for protein?

The regions of DNA that code for proteins are called exons. Exons are interspersed with non-coding regions called introns, and together they make up a gene. During gene expression, pre-mRNA is processed to remove introns and splice together exons to form the mature mRNA that codes for a protein.


What is the Difference between lap joint and splice joint?

A lap joint involves overlapping two pieces of material, while a splice joint involves joining the ends of two pieces of material together in a flush manner. Lap joints provide more surface area for bonding, while splice joints are often stronger as they maintain the full thickness of the material. Both joints are commonly used in woodworking and metalworking applications.


How can we effectively splice trees together to create a stronger and more resilient ecosystem?

To effectively splice trees together for a stronger and more resilient ecosystem, follow these steps: Select compatible tree species for grafting. Use proper grafting techniques to join the trees together. Ensure proper care and maintenance post-grafting. Monitor the health and growth of the spliced trees regularly.


What is the function of snRNA?

snRNA (small nuclear RNA) is involved in RNA splicing, a process in which introns are removed from pre-mRNA molecules, and exons are joined together to produce the final mRNA transcript. snRNAs combine with protein factors to form small nuclear ribonucleoproteins (snRNPs) that recognize specific sequences at the splice sites and facilitate the splicing process.


How are the accuracy of DNA and RNA assured?

The accuracy of DNA and RNA is assured through various mechanisms such as proofreading by polymerase enzymes during replication, DNA repair systems that fix mistakes, and RNA processing that removes errors during transcription. Additionally, the cellular machinery involved in DNA and RNA synthesis is highly regulated to minimize errors in copying genetic information.

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