Answer: I belive that the answer should be B.)
Hope this helps!
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I believe answer is D: Quaternary. Quaternary is defined for the 3d folding of polypeptide.
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Answer:
15.) What happens to hormone levels if a woman becomes pregnant?
A.) Estrogen and progesterone are the chief pregnancy hormones.
16.) Why does menstruation begin?
A.) Period happens because of changes in hormones in the body.
<u>-TheUnknownScientist</u>
Some enzymes which have been known longer have older names that don't end in "ase." For example: pepsin<span>, </span>trypsin<span>, and chrymotrypsin which are all enzymes localized in the digestive tract.</span>