| http://www.w3.org/ns/prov#value | - y; many hormones are proteins ??? ??? ??? cholesterol chemical made of 4 carbon rings; all steroids are made by modifying cholesterol ??? ??? ??? lipid macromolecule made mainly from carbon and hydrogen atoms; includes fats, oils, and cell membranes; will NOT mix with water ??? ??? ??? blood circulatory fluid; aqueous (likes water, dislikes lipids); hormones must travel through blood to be circula
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