Multiple choice

Which of the following respiratory pigments is found in molluscs?

  1. Hemerythrin

  2. Haemocyanin

  3. Chlorocruorin

  4. Erythrocruorin
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The respiratory pigment present in molluscs is haemocyanin. It uses copper prosthetic groups instead of iron heme groups and is blue in color.

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