Physiology The Golgi complex A is an organelle that participates in the breakdown of proteins and lipids. B is an organelle that participates in posttranslational processing of proteins. C is an organelle that participates in energy production. D is an organelle that participates in transcription and translation. 💡 Explanation The Golgi complex ✓ Correct Answer: B. is an organelle that participates in posttranslational processing of proteins.