Answer:
False; The levels of carbon dioxide have significantly increased since the industrial revolution.
Answer: a mutagens d carcinogens b point mutation c frameshift e missense f nonsense
Explanation: Hope that helps!
Answer:
the answer is on letter B
Explanation:
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Answer:
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.
