Proteins (b) (iv) Flashcards
1
Q
- Secreted proteins are translated in…
A
Ribososmes on the RER and enter its lumen.
2
Q
- The proteins move through the…
A
Golgi apparatus and are then packaged into secretory vesicles.
3
Q
- These vesicles move to and fuse with…
A
The plasma membrane, releasing the proteins out of the cell.
4
Q
- Many secreted proteins are synthesised as…
A
Inactive precursors and require proteolytic cleavage to produce active proteins.
5
Q
Examples of secreted proteins are…
A
Peptide hormones and digestive enzymes.
6
Q
Proteolytic cleavage is another type of…
A
Post-translational modification.
7
Q
Example of a secreted protein that requires proteolytic cleavage to become active:
A
Digestive enzymes
