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Post translational modification occurs in which cell organelle?
Post-translational modifications occur in the endoplasmic reticulum and Golgi apparatus, as well as in other cellular compartments. These modifications can include phosphorylation, glycosylation, acetylation, and more, which help to regulate protein function and localization within the cell.
Why the bacteria don't have post translational modifications?
They in fact do. Check out a review "Postranslational Protein Modification in Archaea" by Jerry Eichler. The problem is that took a long time to discover this so it was assumed that they don't have any PTMs but this is wrong.
What completes final modifications of protein?
The process of protein modifications is typically completed in the Golgi apparatus of the cell. During this process, the proteins undergo various post-translational modifications, such as glycosylation, phosphorylation, and cleavage. These modifications are essential for the proper functioning and localization of the proteins within the cell.
Which mechanisms of controlling gene expression occurs outside of the nucleus?
Translation, which is the process of protein synthesis, occurs outside of the nucleus in the cytoplasm. Post-translational modifications of proteins, such as phosphorylation and glycosylation, also occur outside of the nucleus. These modifications can alter the function, stability, and localization of proteins.
Eukaryotes show which kinds of control mechanisms is it transcriptional transcript processing translational post translational or all of these?
Eukaryotes exhibit control mechanisms at all levels, including transcriptional, transcript processing, translational, and post-translational regulation. These mechanisms work together to finely regulate gene expression and protein production in response to various internal and external signals.
Post translational modification occurs in which cell organelle?
Post-translational modifications occur in the endoplasmic reticulum and Golgi apparatus, as well as in other cellular compartments. These modifications can include phosphorylation, glycosylation, acetylation, and more, which help to regulate protein function and localization within the cell.
Why the bacteria don't have post translational modifications?
They in fact do. Check out a review "Postranslational Protein Modification in Archaea" by Jerry Eichler. The problem is that took a long time to discover this so it was assumed that they don't have any PTMs but this is wrong.
What has the author Franco A Taverna written?
Franco A. Taverna has written: 'The role of post-translational modifications in the structure and function of glutamate receptors'
Why post-translational modification of protein does not occur in prokaryotes?
Post-translational modifications of proteins do occur in prokaryotes, but they are generally less complex than in eukaryotes. Prokaryotes lack certain cellular compartments where modifications like glycosylation occur in eukaryotes. Additionally, prokaryotes have simpler metabolic pathways that may not require extensive post-translational modifications for protein function.
What completes final modifications of protein?
The process of protein modifications is typically completed in the Golgi apparatus of the cell. During this process, the proteins undergo various post-translational modifications, such as glycosylation, phosphorylation, and cleavage. These modifications are essential for the proper functioning and localization of the proteins within the cell.
What does the process of post-translational control refers to?
Post-translational control refers to the regulatory mechanisms that occur after a protein has been synthesized, influencing its activity, stability, localization, and interactions. This process can involve modifications such as phosphorylation, glycosylation, ubiquitination, and acetylation, which can alter the protein's function or target it for degradation. By fine-tuning protein activity post-synthesis, cells can respond dynamically to changes in their environment and maintain homeostasis.
What levels of gene expression control allows a cell to conserve the most resources?
Post-transcriptional and translational control of gene expression are more efficient in conserving resources compared to transcriptional control. These mechanisms allow a cell to quickly adjust protein levels without having to create new mRNA molecules. Additionally, post-translational modifications can fine-tune protein activity without the need for de novo synthesis.
Why prokaryotic cells are not prefer for eukaryotic gene expression?
Actually, for some uses prokaryotic cells are just fine for eukaryotic gene expression. That said bacteria are deficient in quite a lot of the post-translational modification systems that eukaryotes use, such as glycosylation. Since those post-translational modifications can actually be important to the protein's function you might choose a eukaryotic expression system to preserve them.
Which mechanisms of controlling gene expression occurs outside of the nucleus?
Translation, which is the process of protein synthesis, occurs outside of the nucleus in the cytoplasm. Post-translational modifications of proteins, such as phosphorylation and glycosylation, also occur outside of the nucleus. These modifications can alter the function, stability, and localization of proteins.
How is the diversity of different proteins created?
The diversity of proteins is created through several key processes, primarily gene expression, alternative splicing, and post-translational modifications. Genetic variations, such as mutations and recombination, contribute to the coding sequences of proteins. Additionally, alternative splicing allows a single gene to produce multiple protein isoforms by including or excluding certain exons. Finally, post-translational modifications, such as phosphorylation or glycosylation, further enhance this diversity by altering the protein's structure and function after it has been synthesized.
Differentiation is controlled at which level?
Post translational activation of the proteins
Eukaryotes show which kinds of control mechanisms is it transcriptional transcript processing translational post translational or all of these?
Eukaryotes exhibit control mechanisms at all levels, including transcriptional, transcript processing, translational, and post-translational regulation. These mechanisms work together to finely regulate gene expression and protein production in response to various internal and external signals.
