JAMB - Biology (1991 - No. 2)
The structure labelled 5 is used for
protein synthesis
energy production
secretion
excretion
Forklaring
The part labelled 5 is the golgi apparatus. The primary function of the Golgi apparatus (also known as the Golgi complex or Golgi body) is to modify, sort, and package proteins and lipids for secretion, or transport them to other destinations within the cell.
The primary organelle responsible for protein synthesis is the ribosome.