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Because DNA cannot fit through the pores of the nuclear membrane, it is too big, the mRNA copies off the specific parts needed and sends the information to where the body needs them. Without mRNA, you could not function properly.

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Difference between protein splicing and RNA splicing?

Protein splicing involves the excision of intervening peptide sequences called inteins from a precursor protein to produce the final functional protein, while RNA splicing involves removing introns and joining exons in pre-mRNA to form mature mRNA. Protein splicing occurs post-translationally in the protein after translation, while RNA splicing occurs co-transcriptionally during mRNA processing.


What are the kinds and functions of RNA molecule?

its function is to link amino acids during protein synthesis, and in a variety of RNA processing reactions, including RNA splicing, viral replication, and transfer RNA biosynthesis.


During splicing which molecular component of the spliceosome catalyzes the excision reaction?

The molecular component of the spliceosome that catalyzes the excision reaction during splicing is the RNA component known as the catalytic RNA or ribozyme. It is responsible for the cleavage and ligation of the precursor messenger RNA (mRNA) molecules, ensuring the removal of introns and joining of exons to generate mature mRNA.


What are spliceosomes composed of?

Spliceosomes are composed of a mixture of proteins and small nuclear RNAs (snRNAs). These components work together to remove introns from pre-mRNA molecules during the process of RNA splicing. Additionally, spliceosomes form a complex structure that helps catalyze the splicing reaction.


What happens before messenger RNA is mature?

Before messenger RNA (mRNA) is mature, it undergoes several post-transcriptional modifications. These modifications include capping, splicing, and polyadenylation. Capping involves adding a modified guanine nucleotide at the 5' end, splicing removes introns to create a mature mRNA sequence, and polyadenylation adds a poly-A tail at the 3' end.

Related Questions

What is the process called which removes introns from RNA?

RNA splicing


What is the difference between snRNA and snRNP, and how do they function in the process of RNA splicing?

snRNA stands for small nuclear RNA, which is a type of RNA molecule involved in RNA splicing. snRNAs are components of small nuclear ribonucleoproteins (snRNPs), which are complexes of snRNA and proteins. snRNPs function in the splicing of pre-mRNA by recognizing specific sequences at splice sites and catalyzing the removal of introns from the pre-mRNA molecule. In summary, snRNA is the RNA molecule, while snRNP is the complex of snRNA and proteins that function in RNA splicing.


Difference between protein splicing and RNA splicing?

Protein splicing involves the excision of intervening peptide sequences called inteins from a precursor protein to produce the final functional protein, while RNA splicing involves removing introns and joining exons in pre-mRNA to form mature mRNA. Protein splicing occurs post-translationally in the protein after translation, while RNA splicing occurs co-transcriptionally during mRNA processing.


Are exons or introns spliced out during the process of RNA splicing?

During the process of RNA splicing, introns are spliced out, while exons are joined together to form the mature mRNA molecule.


Alternating RNA splicing?

An alternative RNA splicing is a process by which the exons of the RNA produced by the transcription of a gene are reconnected in multiple ways during RNA splicing, so as to allow production of multiple forms of protein from one gene.


How do introns and exons relate to RNA splicing?

Before the RNA leaves the nucleus, the introns are removed and the exons are joined together, producing an mRNA molecule with a continuous coding sequence. This process is called RNA splicing.


How is trna produced?

like all other RNA, by translation of DNA into a pre-RNA, the processing (eg. splicing)


What is self splicing?

Self-splicing is a process in which certain RNA molecules can remove their own introns without the need for proteins or enzymes. This occurs in some RNA molecules known as ribozymes. Self-splicing can involve a variety of mechanisms, such as transesterification reactions, to excise unwanted regions of the RNA molecule.


What are the kinds and functions of RNA molecule?

its function is to link amino acids during protein synthesis, and in a variety of RNA processing reactions, including RNA splicing, viral replication, and transfer RNA biosynthesis.


Does splicing occur during transcription?

No, splicing does not occur during transcription. Splicing is a process that happens after transcription, where non-coding regions of the RNA molecule are removed and the coding regions are joined together to form the final mRNA molecule.


What types of molecules catalyze RNA splicing?

Small nuclear ribonucleoproteins (snRNPs) are the main group of molecules that catalyze RNA splicing. These snRNPs consist of both RNA and protein components, and they play a crucial role in the spliceosome complex, which is responsible for catalyzing the removal of introns and joining of exons during pre-mRNA processing.


What might be an advantage of RNA splicing?

the spliced exons are rejoined together and form a smaller mRNA.