In the electrone micrograph in cell cytoplasm you can see nonmembranous organelles that look like thin thread. What is the name of this organoids?

In the electrone micrograph in cell cytoplasm you can see nonmembranous organelles that look like thin thread. What is the name of this organoids?

1.  Golgi complex


2.  Lysosomes


3.  Proteasomes


4. Ribosomes


5.  *Microfilaments