Multiple choice

Where does the assembly of ribosomes begin?

  1. Golgi apparatus

  2. mitochondria

  3. nucleolus

  4. endoplasmic reticulum

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The nucleolus is a dense region within the nucleus where ribosomal RNA (rRNA) is synthesized and combined with proteins to begin ribosome assembly.