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1. Although the basic structure of the cell plasma membrane is formed by a lipid bilayer, most of the specific membrane functions are carried out by: A) Bound and trans membrane proteins. B) Complex, long carbohydrate chains. C) Surface antigens and hormone receptors. D) A gating system of selective ion channels. 2. The nucleus , which is essential for function and survival of the cell. A) is the site of protein synthesis B) contains the genetic code C) transforms cellular energy D)...