Synthesis of proteins in Euk. cells

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SUMMARY

The nucleolus in eukaryotic cells is responsible for synthesizing ribosomal RNA (rRNA), which is essential for the formation of ribosomal subunits. These subunits are then transported to the cytoplasm, where they interact with messenger RNA (mRNA) to facilitate protein synthesis. mRNA is transcribed from DNA located in the nucleus and is exported through nuclear pores for translation. This process highlights the complex relationship between the nucleolus, nucleus, and cytoplasm in protein synthesis.

PREREQUISITES
  • Understanding of eukaryotic cell structure
  • Knowledge of ribosomal RNA (rRNA) synthesis
  • Familiarity with mRNA transcription and translation processes
  • Basic concepts of gene expression and protein synthesis
NEXT STEPS
  • Research the process of rRNA synthesis in the nucleolus
  • Learn about mRNA transcription from DNA in the nucleus
  • Explore the role of ribosomal subunits in protein synthesis
  • Investigate the mechanisms of nuclear pore transport
USEFUL FOR

Students studying biology, particularly those focusing on cellular biology and protein synthesis mechanisms, as well as educators teaching these concepts.

lha08
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Homework Statement


I'm a little confused as to how the nucleolus in a eukaryotic cell manages to synthesize proteins. For example, in the nucleolus, does it contain DNA that it uses to synthesize ribosomal RNA, which then synthesizes ribosomal subunits? Then the ribosomal subunits go out into the cytoplasm to react with mRNA to form the protein? Like where does the mRNA come from...I don't think it comes from the nucleolus...maybe the nucleus?



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The Attempt at a Solution

 
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lol have you taken general biology?

mRNA is transcribed from DNA, which is in the nucleus lol. it's then exported through nuclear pores to be translated into proteins.

the nucleolus is in the nucleus and it's primary purpose is to make ribosomes.

the actual process from gene to ribosome is very complex.

" For example, in the nucleolus, does it contain DNA that it uses to synthesize ribosomal RNA, which then synthesizes ribosomal subunits? Then the ribosomal subunits go out into the cytoplasm to react with mRNA to form the protein? "

this is about correct.
 

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