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What is the function of a 5' cap in DNA transcription and translation?
Wiki User
∙ 10y ago
The 5' cap attached to the mRNA ensures the mRNA's stability while it undergoes translation.
Wiki User
∙ 14y ago
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Where in the eukaryotic cell do replication transcription RNA processing translation each occur?
In eukaryotes, transcription occurs in the nucleus. RNA polymerase II transcribes the DNA forming an mRNA transcript.The mRNA is then modified. It has a 5'-cap and a 3'polyA tail and it can also be spliced and edited by various enzymes. Once an mRNA molecule has been correctly edited it is exported out of the nucleus through nuclear pores. Once in the cytoplasm can be localized to different compartments of the cell, but most of the protein synthesis occurs on the rough ER.Here various translation factors help ribosomes to translate the DNA into protein. Translation occurs in the cytoplasm.Do not get this confused with prokaryotes. In prokaryotes, they do not have organelles and so transcription and translation are coupled in the cytoplasm... (they occur at the same time).
Where is Messenger RNA is produced?
RNA is produced in the transcription phase, but it is not ready in this raw form. Because the ribosomes cannot read introns, the cell must cut the introns out and only keep the axons. Once that's finished, the 5' end must have a 5' cap attached to it. On the 3' side, a poly-A-tail must be attached. Now, the RNA is ready to be translated by the ribosome.
What is called the process of building protein molecules from the genetic information in an RNA blueprint?
The problem with this question is that proteins are not directly produced from RNA sequences. Polypeptide chains are produced from RNA sequences, more specifically mRNA sequences. Though that statement seems to contradict with the fact that proteins are made up of polypeptide chains, proteins are not complete just as polypeptide chains. Proteins must take on a three dimensional shape. The process of this transformation is aided by what are known as chaperon proteins which make sure the peptide chains conform in the right shape, which then ultimately create the protein. However the process I am sure you are looking for is known as transcription, which is the process by which RNA is turned in to peptide chains.
What can leave the nucleus but DNA cannot?
Because mRNA is a single stranded molecule where as DNA forms a double helix. Therefore mRNA is a smaller molecule than DNA so can leave the nucleus ALSO mRNA has been processed post-translation. This means a 5' cap has been added and a 3' poly(A) tail has been added. This 5' cap, which DNA does not have, allows mRNA to leave the nucleus through nuclear pores. All above is good idea all , And me have something that need to include more. First time DNA can't leave from nucleus ,so DNA change to be nucleotide then mRNA go into nucleus and duplication ,A , T, C, G of DNA to be U,A,G,C. During mRNA get out from nucleus , mRNA will go to ribosomes to produce protein to take care cell.
What is the function of a mushroom cap?
The main purpose of a mushrooms cap or"pileus" is to make and disperse the trillions of spores needed to germinate only a few more fungi.
Where in the eukaryotic cell do replication transcription RNA processing translation each occur?
In eukaryotes, transcription occurs in the nucleus. RNA polymerase II transcribes the DNA forming an mRNA transcript.The mRNA is then modified. It has a 5'-cap and a 3'polyA tail and it can also be spliced and edited by various enzymes. Once an mRNA molecule has been correctly edited it is exported out of the nucleus through nuclear pores. Once in the cytoplasm can be localized to different compartments of the cell, but most of the protein synthesis occurs on the rough ER.Here various translation factors help ribosomes to translate the DNA into protein. Translation occurs in the cytoplasm.Do not get this confused with prokaryotes. In prokaryotes, they do not have organelles and so transcription and translation are coupled in the cytoplasm... (they occur at the same time).
What is transcription and what are the main steps involved in this process?
Do your own lab report. Jk. Transcription is the process in which DNA is converted into a complementary RNA. Before transcription, the splicing of introns has already occurred. Transcription takes place the nucleus. RNA polymerase begins the elongation of the RNA while the DNA template is unwound and rewound. Transcription responds to the termination signal and disassembles, terminating the process. The RNA is then processed with 5' G cap and poly A tail, and exits the nucleus, heading into the cytoplasm.
Where is Messenger RNA is produced?
RNA is produced in the transcription phase, but it is not ready in this raw form. Because the ribosomes cannot read introns, the cell must cut the introns out and only keep the axons. Once that's finished, the 5' end must have a 5' cap attached to it. On the 3' side, a poly-A-tail must be attached. Now, the RNA is ready to be translated by the ribosome.
Where in the eukaryotic cell do replication transcription RNA processing and translation each occur?
In eukaryotic cells, you have a nucleus, whereas with prokaryotic cells you have none and you are missing some organelles found with the eukaryotes. Eukaryotes organelles are found within the cytoplasm.
What happen during the transcription process of DNA?
Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA by the enzyme RNA polymerase. Both RNA and DNA are nucleic acids, which use base pairs of nucleotides as acomplementary language that can be converted back and forth from DNA to RNA by the action of the correctenzymes. During transcription, a DNA sequence is read by an RNA polymerase, which produces a complementary, antiparallel RNA strand called a primary transcript. As opposed to DNA replication, transcription results in an RNA complement that includes the nucleotide uracil (U) in all instances wherethymine (T) would have occurred in a DNA complement. Also unlike DNA replication where DNA is synthesized, transcription does not involve an RNA primer to initiate RNA synthesis.Transcription can be reduced to the following steps, each moving like a wave along the DNA.One or more sigma factors initiate transcription of a gene by enabling binding of RNA polymerase topromoter DNA.RNA polymerase moves a transcription bubble, like the slider of a zipper, which splits the double helix DNA molecule into two strands of unpaired DNA nucleotides, by breaking the hydrogen bonds between complementary DNA nucleotides.RNA polymerase adds matching RNA nucleotides that are paired with complementary DNA nucleotides of one DNA strand.RNA sugar-phosphate backbone forms with assistance from RNA polymerase to form an RNA strand.Hydrogen bonds of the untwisted RNA + DNA helix break, freeing the newly synthesized RNA strand.If the cell has a nucleus, the RNA may be further processed (with the addition of a 3'UTR poly-A tail and a 5'UTR cap) and exits to the cytoplasm through the nuclear pore complex.
What is the step of protein synthesis that occurs in the nucleus?
The step of protein synthesis that occurs in the nucleus is transcription. Transcription is the process of copying the genetic code from DNA into RNA. The RNA molecule that is produced during transcription is called messenger RNA (mRNA). mRNA then travels to the cytoplasm, where it is translated into a protein. In transcription, the DNA double helix opens up at a specific location called the promoter. A protein called RNA polymerase binds to the promoter and begins to move along the DNA strand, unzipping the helix as it goes. RNA polymerase then uses the exposed DNA strand as a template to synthesize a complementary RNA strand. This RNA strand is the mRNA molecule. Once the mRNA molecule is complete, it separates from the DNA and travels to the cytoplasm. In the cytoplasm, the mRNA molecule binds to a ribosome. The ribosome then reads the mRNA molecule and uses the information to assemble a protein molecule. The protein molecule is then released from the ribosome and can go on to perform its function in the cell. Here are the steps of transcription in detail: Initiation: RNA polymerase binds to the promoter region of DNA. Elongation: RNA polymerase moves along the DNA strand, unzipping the helix and synthesizing a complementary RNA strand. Termination: RNA polymerase reaches a termination sequence in the DNA and stops synthesizing RNA. The mRNA molecule that is produced during transcription is a single-stranded molecule that contains the same information as the original DNA strand. However, the mRNA molecule is modified in a few ways. First, the 5' end of the mRNA molecule is capped with a group of nucleotides called a 5' cap. The 5' cap helps to protect the mRNA molecule from degradation and helps it to bind to the ribosome. Second, the 3' end of the mRNA molecule is polyadenylated, which means that it is added to a long chain of adenine nucleotides. The polyadenylation tail helps to stabilize the mRNA molecule and helps it to be transported to the cytoplasm. Transcription is a complex process that is essential for protein synthesis. It is the first step in the process of converting genetic information into a functional protein molecule.
What is a transcription and where does it occur?
transcription is the act of DNA being 'transcribed' into mRNA inside the nucleus. Afterwards, the head and tail of the mRNA get capped with a poly-A tail and a 5 prime cap in RNA processing, so that the mRNA doesnt get recognizede as a dangerous molecule. There, it is then shipped of out of the nucleus where the mRNA gets translated into tRNA in the ribosome to produce amino acids which will eventually be turned into proteins
Whbat is the function of the root cap?
The function of the root cap is to protect and cover the growing tip of the root.
Sequence the steps of transcription and RNA processing by dragging the labels to their correct locations in the flowchart?
a. transcription is initiated b. 5' cap is added c. introns are removed d. transcription is terminated e. 3' poly-A tail is added f. mRNA exists nucleus
What is the function of the root cap epidermis and root hair?
Root cap epidermis's function is protection while that of root hair is absorption .
What is called the process of building protein molecules from the genetic information in an RNA blueprint?
The problem with this question is that proteins are not directly produced from RNA sequences. Polypeptide chains are produced from RNA sequences, more specifically mRNA sequences. Though that statement seems to contradict with the fact that proteins are made up of polypeptide chains, proteins are not complete just as polypeptide chains. Proteins must take on a three dimensional shape. The process of this transformation is aided by what are known as chaperon proteins which make sure the peptide chains conform in the right shape, which then ultimately create the protein. However the process I am sure you are looking for is known as transcription, which is the process by which RNA is turned in to peptide chains.
How do you say that is a nice cap in Spanish?
Translation: (Tu dices que) ésa es una gorra linda = (You say that) that is a nice cap.
