BRAINCAKERibosomes
Ribosomes are the site of protein synthesis.
They are either free in the cytoplasm or attached to the rough endoplasmic reticulum in eukaryotes.
They are made in the nucleolus from ribosomal RNA (rRNA) and protein.
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Key terms in this lesson
- nucleolus
- A dense structure within the nucleus where ribosomal RNA is made and ribosomes are assembled.
- rough endoplasmic reticulum
- A network of membranes studded with ribosomes, continuous with the nuclear envelope, involved in the synthesis and transport of proteins.
- eukaryotic cell
- A cell that has a nucleus and membrane-bound organelles.
More in Cell Structure
- Chloroplasts
- Endoplasmic Reticulum
- Golgi Apparatus
- Lysosomes
- Cell Wall
- Vacuoles
- Cell Structure and Function
- Cell Specialisation
All 26 lessons in Cell Structure · All AQA AS-level Biology topics