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Eukaryotic Gene Expression - Coggle Diagram
Eukaryotic Gene Expression
Signal is sent to the Chromatin
Chromatin Modification begins DNA unpacking
A gene available for *Transcription begins process
Transcription occurs
RNA Processing occurs allowing the Primary Transcript (RNA strand created during Transcription) to reach maturity and acquire a cap
Mature Transcript is transported from the Nucleus to the Cytoplasm
*Translation occurs
mRNA proteins that are not translated and secured in the sequence 'cap' are cast off by Degradation of mRNA
The Polypeptide Chain then moves onto *Protein Processing
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*DNA Transcription
RNA Polymerase unravels DNA strand by binding to a promoter
Template Strand acts a blueprint for Polymerase to use nucleotides to built RNA molecule
Sequences called Terminators determine when the process of DNA transcription is complete
DNA Translation
Initiation
Elongation
Termination
Stop Codons are recognized by Release Factors and end the process of translation when the sequence is finished
tRNA attaches to the P site in the ribosome while the A site waits for another tRNA to attach; this process establishes the connection of Amino Acid Polypeptide Chains that elongate the strand
Ribosome works with mRNA and the first tRNA for translation to commence
Protein Processing
Many proteins undergo chemical modifications to make them functional
Regulatory proteins are commonly activated or inactivated by the reversible addition of phosphate groups. Cell-surface proteins must be transported to target destinations in the cell to properly function
Regulation and processing may occur at any of the steps involving modifying or transporting a protein