People who are heterozygous for sickle cell disease are generally healthy because they
2 answers:
I think that it is B, but I could be wrong
I think the answer would be D or B but my suggestion would be D I'm not entirely sure but hopes it helps!:)
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Answer:
B
Explanation:
The cell membrane is like a gate around the cell, it only lets certain substances come in and out of the cell.
It would be B. Energy is released
Answer:
what's the question?
Explanation:
<span>the portion of an antigen that binds covalently to an antibody</span>
