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September 19, 2014

Homework Help: 7th grade Health

Posted by MaKalya on Wednesday, March 25, 2009 at 3:19pm.

Enzymes that drive metabolism and antibodies of the immune system are both
forms of
A. minerals. C. lipids.
B. proteins. D. carbohydrates.

(C) I can't find the answer in my book, would you plz help me?

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