Hemocyanins Occur in Which Animal Groups

Question

Hemocyanins occur in which animal groups?
A) Molluscs
B) Arthropods
C) Echinoderms and molluscs
D) Molluscs and arthropods

Accepted Answer

Hemocyanins are respiratory proteins found in the blood of some molluscs and arthropods, where they serve a similar function to hemoglobin in vertebrates.