Which is the copper containing respiratory pigment present in Mollusca?
A. Hemosiderin
B. Hemocyanin
C. Anthocyanins
D. Leghemoglobin
ANSWER
B. Hemocyanin. Hemocyanin is a respiratory pigment that uses copper as its oxygen-binding molecule, as opposed to iron with hemoglobin. Hemocyanin is found in both arthropods and Mollusca