What two things are ribosome made up (complexes) of?

Explanation:

Ribosomes are composed of two subunits, the large and the small subunit, both of which consist of ribosomal RNA (rRNA) molecules and a variable number of ribosomal proteins. Several factor proteins catalyze different steps of protein synthesis by binding transiently to the ribosome.

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answer: c

explanation:

there's the proffessional site that will you.