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protein secretion order
Ribosome → RER → Vesicle → golgi apparatus → membrane
exocytosis
process by which a vesicle joins with a membrane and releases the chemical inside of it to the molecules outside of the cell.
GO OVER TRANSCRIPTION AND TRANSLATION IN TEXTBOOK AND VIDEO
i have done it ;)
step one secreting a protein
the nucleus is the site of ribosomes and mRNA manufacture (copy of the protein gene)
step two secreting a protein
ribosomes on the RER make proteins to be secreted (free ribosomes make proteins to stay in the cell)
step 3 secreting a protein
the proteins are transported from RER to golgi body by vesicles
step 4 secreting a protein
golgi body further processes the proteins (may add suger chitin)
step 5 secreting a protein
vesicles containing proteins are ‘pinched off’ the golgi body and move towards the plasma membrane
step 6 secreting a protein
vesicles fuse with the plasma membrane and undergo exocytosis