Hemoglobin has tetrahedral structure containing four heme groups that surround a globin group.
Heme is ringlike organic compound also known as a porphyrin to which an iron atom is attached. There are four iron atoms that bind four oxygen atoms and transport them to tissues.
Answer:
Yes!
Explanation:
From largest to smallest: biosphere, biome, ecosystem, community, population, and organism. Hope I helped :)
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Answer:D can occur in animals through binary fission
Explanation:
