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Introns are non-coding sections of DNA that are removed during the process of gene expression in eukaryotes. They do not code for proteins but play a crucial role in regulating gene expression by affecting how the coding regions (exons) are spliced together. This process, known as alternative splicing, allows a single gene to produce multiple protein variants, increasing the diversity of proteins that can be produced from a single gene.
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Can prokaryotes remove introns during gene expression?
No, prokaryotes do not remove introns during gene expression.
Are introns transcribed during the process of gene expression?
Yes, introns are transcribed along with exons during the process of gene expression, but they are later removed from the mRNA through a process called splicing before the final mRNA is translated into a protein.
Are introns present in prokaryotes?
No, introns are not present in prokaryotes. They are found in eukaryotic organisms, where they are removed during the process of gene expression.
What is the function of introns in genetic material?
Introns are non-coding sections of DNA that are removed during the process of gene expression. They help regulate gene expression and can also contribute to genetic diversity through alternative splicing.
Why do eukaryotes have introns in their genetic material?
Eukaryotes have introns in their genetic material because they allow for alternative splicing, which enables a single gene to code for multiple proteins, increasing genetic diversity and complexity.
Can prokaryotes remove introns during gene expression?
No, prokaryotes do not remove introns during gene expression.
Are introns transcribed during the process of gene expression?
Yes, introns are transcribed along with exons during the process of gene expression, but they are later removed from the mRNA through a process called splicing before the final mRNA is translated into a protein.
Are introns present in prokaryotes?
No, introns are not present in prokaryotes. They are found in eukaryotic organisms, where they are removed during the process of gene expression.
What is the function of introns in genetic material?
Introns are non-coding sections of DNA that are removed during the process of gene expression. They help regulate gene expression and can also contribute to genetic diversity through alternative splicing.
Why prokaryotes do not have introns?
Prokaryotes do not have introns in their DNA because they lack a nucleus and have a simpler genetic organization compared to eukaryotes. Their genes are typically continuous sequences without interruptions, unlike eukaryotic genes which can have introns that need to be spliced out during gene expression.
Why do eukaryotes have introns in their genetic material?
Eukaryotes have introns in their genetic material because they allow for alternative splicing, which enables a single gene to code for multiple proteins, increasing genetic diversity and complexity.
Are exons removed during the process of splicing in gene expression?
Yes, exons are not removed during the process of splicing in gene expression. Instead, introns are removed and exons are joined together to form the mature mRNA molecule.
What is the role of introns in gene regulation?
Introns do not play a direct role in gene regulation, but they can affect gene expression by influencing alternative splicing, mRNA processing, and RNA stability. Certain introns contain regulatory elements that can impact the level of gene expression by affecting the efficiency of transcription and translation.
Section of DNA within a gene that do not encode part of the protein that the gene produces are called?
Introns (the stuff between the exons), and UTR (Untranslated region, the stuff before the start codon, and after the stop codon).
What is the significance of splice junctions in the process of gene expression?
Splice junctions play a crucial role in gene expression by removing introns and joining exons together to create a mature mRNA transcript. This process, known as splicing, allows for the production of diverse proteins from a single gene, contributing to the complexity and functionality of an organism's proteome.
What codes for protein in the process of gene expression?
In the process of gene expression, the gene codes for protein.
In eukaryotes gene expression is related to the coiling and uncoiling of what?
In eukaryotes, gene expression is related to the coiling and uncoiling of DNA around histone proteins, forming chromatin. When DNA is tightly coiled around histones, it is less accessible for transcription, leading to reduced gene expression. When DNA is unwound, gene expression is more likely to occur.
