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How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Which hormone is used by both males and female?

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?