Typically, spiders' blood is blue due to the presence of which of the following?
Correct answer: C. Haemocyanin
- A. Haemoglobin
- B. Hemerythrin
- C. Haemocyanin
- D. Both Options B and C are correct
Explanation
Spider's blood is blue due to the presence of hemocyanin. Haemocyanin, instead of having an atom of iron in its middle, has an atom of copper that binds oxygen. It absorbs all colors except blue, which it reflects, making blood appear blue.
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