Science · Biology

Tetrodotoxin (TTX), a dangerous toxin sometimes implicated in seafood poisoning, is best described as a:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Heavy-metal contaminant bioaccumulated in marine fish that can be chelated with EDTA.
2Naturally occurring, extremely potent and heat-stable neurotoxin found in certain marine species.✓
3Synthetic food preservative that degrades rapidly when exposed to sub-zero temperatures.
4Heat-labile bacterial exotoxin neutralized by routine cooking and antibiotics.

Correct answer

Naturally occurring, extremely potent and heat-stable neurotoxin found in certain marine species.

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