Q.2
Octopine, an amino acids derivative, is specific to ——-—-
- Octopine in Cephalopods:
- Octopine ($N^2$-(1-carboxyethyl)-L-arginine) is an opine derivative of L-arginine and pyruvate synthesized by the enzyme octopine dehydrogenase (ODH).
- In cephalopods (squid, cuttlefish, octopus), octopine acts as the primary anaerobic end-product of muscular contraction during vigorous jet-propulsion swimming, functioning analogously to lactate in teleost fishes.
- Correct Option: Option 1 (Cephalopods).
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