Multiple Choice
Riftia tube worms contain unusual hemoglobins that bind(s)
A) H₂S and O₂ in order to transport these chemicals to their bacterial symbionts.
B) high concentrations of O₂ produced by their photosynthetic symbionts.
C) sulfate to transport this ion away from their bacterial symbionts.
D) ammonia that their bacterial symbionts produce.
Correct Answer:

Verified
Correct Answer:
Verified
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