Chapter 01 The Cell A Microcosm of LifeMULTICHOICE1.Membrane lipid bilayers consist primarily of ____.(A) phospholipids(B) cholesterol(C) proteins(D) saturated fatty acidsAnswer :(A)2.Membrane proteins donotserve as ____.(A) pumps(B) detoxifiers(C) receptors(D) enzymesAnswer :(B)3.What is the role of cholesterol in plasma membrane structure?(A) to produce bile(B) to regulate fluidity and permeability(C) to reduce stability(D) to produce hormonesAnswer :(B)4.Signals generated at one part of a cell are transmitted quickly to other parts of the cell due to theinterconnection of the cytosol and ____.(A) glycoproteins(B) filaments(C) glycolipids(D) integral proteins
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