Ribosomes are assembled in__________?

Correct answer: A. Nucleolus

  • A. Nucleolus
  • B. Nucleus
  • C. DNA
  • D. RNA

Explanation

The nucleolus makes ribosomal RNA and combines it with ribosomal proteins to assemble the two ribosomal subunits. These subunits then leave the nucleus through nuclear pores and function in the cytoplasm. The likely distractor is nucleus because the nucleolus lies inside it, but the specialised site of ribosome assembly is the nucleolus.

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