free diagnosticupgrade

🔬general biology i review

Ribosomal RNA (rRNA)

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Ribosomal RNA (rRNA) is a type of RNA that combines with proteins to form ribosomes. These ribosomes are the cellular structures where protein synthesis occurs.

AP course connection

Topic 15.2: 15.2 Prokaryotic Transcription

Unit 15

Keep studying

Review this concept in 15.2 Prokaryotic TranscriptionGeneral Biology I course hub

Ribosomal RNA (rRNA) cheat sheet for homework

visual study aid

5 Must Know Facts For Your Next Test

  1. rRNA is a crucial component of the ribosome's structure and function.
  2. There are three main types of rRNA in prokaryotes: 16S, 23S, and 5S rRNA.
  3. In eukaryotes, the main types include 18S, 28S, 5.8S, and 5S rRNA.
  4. rRNA genes are highly conserved across different species due to their essential role in protein synthesis.
  5. rRNA helps catalyze the formation of peptide bonds between amino acids during translation.

"Ribosomal RNA (rRNA)" also found in:

2,589 studying →