ribosome

[no idea]

what is the function of ribosome,?

[saltrock]

The main function of ribosomes is to serve as the site of mRNA translation ( = protein synthesis, the assembly of amino acids into proteins);

[Evil]

Wat about nucleoli?

[saltrock]

it controls the activity of the nucleus

[gamze]

how do nucleoli control the activity of nucleus?
I guess nucleoli is a place where rRNA genes of chromosomes get together with ribosomal subunits

[iansmith]

In biology, the nucleolus is, strictly speaking, a suborganelle of a cell nucleus which is an organelle Nucleolar organizers are special regions on some chromosomes that contain multiple copies of the genes encoding for rRNA the ribosomes which are involved in protein biosynthesis. Following synthesis, the rRNA is attached to the ribosomal subunits in the nucleus before transport through the nuclear pores
into the cytosol.

http://encyclopedia.thefreedictionary.com/Nucleoli