In electon microscopic research of the cell a lot of doublemembranous organelles with cristae were found in a cytoplasm . What are they?

In electon microscopic research of the cell a lot of doublemembranous organelles with cristae were found in a cytoplasm . What are they?

1.  Golgi complex


2.  Lysosomes


3.  Cytoplasmatic reticulum


4.  Proteasomes


5.  *Mitochondria