Round 4: Tossup 11

Plants possess a variant of this organelle called the glyoxysome (15[1])(“GLY-ock-see-zohm”) in which (15[1])acetyl-CoA (15[1])(“uh-SEE-til koh-AY”) is converted into succinate (“SUHK-suh-nate”) to allow carbohydrate (-5[1])synthesis prior to germination. This organelle is where very-long-chain fatty acids are oxidized, a process that is dysfunctional in disorders such as (-5[1])adreno•leuko•dystrophy and (*) Zellweger syndrome. Firefly luciferase is localized to this organelle, which contains the catalytically-perfect enzyme catalase. Reactive oxygen species are digested by this organelle and converted to its namesake molecule. For 10 points, name this organelle (10[1])that produces and breaks down H2O2. ■END■ (10[1])

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