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Which of these statements does not describe introns?
Non-expressed
Does introns have complementary sequences in DNA?
Introns do not have specific complementary sequences in DNA. Introns are non-coding regions of a gene that are removed during the process of mRNA splicing. Their removal allows for the exons (coding regions) to be joined together to form the mature mRNA transcript.
Do mitochondria have introns?
Yes, mitochondria have introns. These introns are non-coding sequences found within the DNA of the mitochondria. They are typically removed during the process of RNA splicing to produce functional mitochondrial mRNA.
Why do eukaryotic genes have introns but introns are absent from prokaryotic cells?
Look at the sheer amount of DNA that is contained into a eukaryotic gene (eukaryotes have more DNA to code for and so they can leave some of the DNA out, also look at the way the DNA is formed i.e. Eukaryotic genes are double stranded helixes and prokayrotic genes are a single strand of circular dna.
What is DNA coding?
junk DNA
Does mitochondrial DNA contain introns?
Yes, mitochondrial DNA does not contain introns. Mitochondrial DNA is a circular molecule that lacks introns, which are non-coding regions found in nuclear DNA.
Which of these statements does not describe introns?
Non-expressed
What are introns and extrons and how are they different?
Introns are non-coding sequences within a gene that are transcribed but are later removed during RNA processing. Exons are the coding regions of a gene that are spliced together after introns are removed to form the mature mRNA transcript. This process is known as RNA splicing and is essential for producing functional proteins from genes.
What is the holder and protector of the DNA?
The nucleus, but telomeres protect DNA by adding junk DNA to the ends that way the exons do not get messed with. The 5' Cap and the Poly-A Tail are the two ends of the DNA with junk DNA, or introns.
Is DNA junk or not junk?
AnswerThere is junk DNA or non-coding DNA. This DNA is the segment before the promoter of a different gene.
What are non-coding segments of DNA?
Non-coding segments of DNA are regions of DNA that do not code for proteins. They can include regulatory elements that control gene expression, repetitive sequences, and introns that are removed during RNA processing. Non-coding DNA plays a role in gene regulation and genome stability.
What is the possible function of introns in eukaryotic DNA?
Introns in eukaryotic DNA may play a role in regulating gene expression, promoting genetic diversity, and facilitating the evolution of new genes.
Do Introns represent a genome scrap yard that provides DNA segments for genome evolution and a variety of small RNA molecules?
Introns are non-coding regions of DNA that are removed during mRNA processing. While introns have been suggested to play a role in evolution through mechanisms like alternative splicing, their primary function is not considered to be as a "genome scrap yard." Small RNA molecules do not typically originate from introns, but rather from other regions of the genome.
What is the difference between an intron and exon?
Introns are non-coding segments of DNA that are removed during RNA processing, while exons are coding regions that are spliced together to form the final mRNA transcript. Exons contain the information needed to produce proteins, while introns do not.
Does introns have complementary sequences in DNA?
Introns do not have specific complementary sequences in DNA. Introns are non-coding regions of a gene that are removed during the process of mRNA splicing. Their removal allows for the exons (coding regions) to be joined together to form the mature mRNA transcript.
Are sense regions for of DNA introns and nonsense regions exons?
yup
Do mitochondria have introns?
Yes, mitochondria have introns. These introns are non-coding sequences found within the DNA of the mitochondria. They are typically removed during the process of RNA splicing to produce functional mitochondrial mRNA.
