Gas Exchange Quiz (2) Biology AS Level

What is correct about the synthesis and release of the glycoprotein mucin in goblet cells?
1- The protein is produced on ribosomes and a carbohydrate chain is added in the Golgi body.
2- The glycoproteins are packed into vesicles in the Golgi body forming lysosomes.
3- Secretory vesicles containing the glycoprotein move from the Golgi body and fuse with the cell surface membrane.