1) Molecules move across the cell membrane using energy a) active transport b) passive transport c) facilitated diffusion d) mitochondrial membrane 2) The structure of the plasma membrane a) unilayer b) bilayer c) trilayer 3) Cells shrink as a result of being in a _________ solution. a) isotonic b) hypotonic c) hypertonic 4) Cells are unaffected when they are in _____________ solution. a) isotonic b) hypotonic c) hypertonic 5) The heads of the membrane are a) hydrophobic b) hydrophilic 6) The tails of the membrane are a) hydrophobic b) hydrophilic 7) ______ is a necessary part of the membrane a) nucleic acid b) carbon dioxide c) glycogen d) cholesterol 8) Molecules move from greater to lesser concentration in a) active transport b) filial descent c) diffusion d) reverse osmosis 9) Molecules move from lower to higher concentration a) passive transport b) active transport c) ATP transport d) FedEx transport 10) _______ solution has a lower concentration of solute than the cells that are in it a) philotonic b) phobotonic c) isotonic d) hypotonic e) hypertonic

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