Mitochondria is involved in all of the following, except: (A) ATP production, (B) Apoptosis, (C) Tricarboxylic acid cycle, (D) Fatty acid biosynthesis
Answer is D. Fatty acid biosynthesis 

Fatty acid synthesis occurs in the cytosol
TCA cycle and ATP production (via ETC) occur in mitochondria
Mitochondria play a key role in apoptosis