The sickle form of the hemoglobin gene is created when an adenine nucleotide is changed to a thymine. ... That single amino acid replacement in the -globin protein alters the shape and the chemistry of the hemoglobin molecule, causing it to polymerize and distort the red blood cell into the sickle shape.
Answer:the answer should be Different locations of extinct organisms on earth
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humans can eat fish that has plastic in it and that could poison the person
You get to eat food when u are eating that’s the purpose