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Transcription is the rewriting of the DNA into mRNA, which occurs on the DNA coils in the nucleus (but not the nucleolus). Translation is the process of converting the mRNA into a protein strand, which occurs on the ribosomes either in the cytoplasm or on the rough endoplasmic reticulum.
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What delivers the information needed to make a protein to the site of translation?
Messenger RNA (mRNA) carries the information needed to make a protein from the DNA in the cell's nucleus to the ribosomes in the cytoplasm where translation takes place. This process involves a series of steps including transcription, mRNA processing, and translation. During translation, the ribosomes read the mRNA sequence to assemble the corresponding protein.
What determines the start site and direction of transcription in a gene?
The start site and direction of transcription in a gene are determined by specific sequences of DNA called promoters. Promoters signal the enzyme RNA polymerase where to begin transcribing the gene and in which direction to read the DNA.
Where is the transcription start site located in the DNA sequence?
The transcription start site is located at the beginning of a gene in the DNA sequence. It is where the process of transcription, which produces RNA from DNA, begins.
What regulatory DNA sequences might be located thousands of nucleotides away from the transcription start site of a gene?
Enhancers and silencers are regulatory DNA sequences that can be located thousands of nucleotides away from the transcription start site of a gene. These elements can interact with transcription factors to modulate gene expression by enhancing or repressing transcription. They play a crucial role in regulating gene expression in a spatially and temporally specific manner.
-Know the site of transcription?
Transcription takes place in the cell nucleus in eukaryotes, where the DNA is transcribed into messenger RNA (mRNA) by RNA polymerase enzymes. In prokaryotes, transcription occurs in the cytoplasm since they lack a distinct nucleus.
Are ribosomes the site where translations or transcription takes place?
translation
Which process takes place in the nucleus of the cell?
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus provides a site for genetic transcription that is segregated from the location of translation in the cytoplasm, allowing levels of gene regulation that are not available to prokaryotes.
What is site of protein?
The steps of protein synthesis: Transcription occurs in the nucleus of the cell, where DNA is transcripted into mRNA Translation occurs in the cytoplasm of the cell, where the mRNA is translated into amino acids and forms a protein
Name some functions of the nucleus?
the main function of the cell is to control gene expression and mediate the replication of DNA during the cell cycle.the nucleus provides a site for genetic transcription that is segregated from the location of translation of cytoplasm , allowing levels of gene regulation that are not available to prokaryotes.
What does nucleolus does in the cell?
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus provides a site for genetic transcription that is segregated from the location of translation in the cytoplasm, allowing levels of gene regulation that are not available to prokaryotes. See related link for more details
What delivers the information needed to make a protein to the site of translation?
Messenger RNA (mRNA) carries the information needed to make a protein from the DNA in the cell's nucleus to the ribosomes in the cytoplasm where translation takes place. This process involves a series of steps including transcription, mRNA processing, and translation. During translation, the ribosomes read the mRNA sequence to assemble the corresponding protein.
What is the site where DNA is transcribed?
Transcription is only the copying of DNA, so of course, it occurs at the DNA which is in the nucleus of a cell.
What determines the start site and direction of transcription in a gene?
The start site and direction of transcription in a gene are determined by specific sequences of DNA called promoters. Promoters signal the enzyme RNA polymerase where to begin transcribing the gene and in which direction to read the DNA.
Matches a cell part with it function?
You can match a cell part with its function, for example the ribosomes, can be matched with "site for mRNA translation".
Is an enhancer is a sequence of nucleotides that when activated by specific signal proteins aids in shielding the RNA polymerase binding site of a specific gene?
An enhancer is a DNA sequence that functions to increase the transcription of a gene by facilitating the binding of transcription factors and RNA polymerase to the promoter region. It does not shield the RNA polymerase binding site; instead, it enhances gene expression by increasing the rate of transcription.
Where is the transcription start site located in the DNA sequence?
The transcription start site is located at the beginning of a gene in the DNA sequence. It is where the process of transcription, which produces RNA from DNA, begins.
Difference between active site and binding site?
Binding site is anywhere which something (such as a protein) can bind to. An example would be the upper flanking regions which contain binding sites thattranscription factors bond with during transcription. The active site is more specific to enzymes and refers to the site where the enzyme functions. It is the specific contours of this active site which give the enzyme its specific function (see how enzymes are substrate specific).
