Mitochondria are involved in all of the following EXCEPT:
The biochemical processes taking place in mitochondria are all catabolic pathways and vital pathways i.e. TCA and ETC Replication, Transcription and Translation for mitochondrial DNA Apoptosis Cholesterol synthesis is anabolic pathway, so it occurs in cytoplasm (option 4)
ATP production
Apoptosis
Tri-carboxylic acid cycle
Cholesterol synthesis
Organelles