Question

Oxalosuccinic acid, an intermediary compound of Krebs cycle is a

• A. 4 carbon compound.
• B. 3 carbon compound.
• C. 5 carbon compound.
• D. 6 carbon compound.

Answer 1

The correct option is D 6 carbon compound.

Oxalosuccinic acid is formed during the fourth step of Kreb's cycle. It is formed from isocitrate which is a 6-C compound by the removal of a pair of hydrogen atoms in the presence of enzyme isocitrate dehydrogenase.

Thus, the correct answer is option D.