1) The movement of particles from HIGH to LOW concentration. a) passive transport b) active transport c) energy 2) The movement of particles from LOW to HIGH concentration. a) passive transport b) active transport c) energy 3) Osmosis is the movement of a) energy b) molecules c) water 4) When you spray air freshener (like Febreeze) what happens? a) Molecules from the spray create scent throughout the room by spreading from the spray to areas of lower concentration. b) Energy from the spray pushes molecules from the spray to areas of higher concentration in the room. c) The spray sends molecules in the room, replacing those molecules with molecules from the spray. 5) The ability of an organism or environment to maintain stability in spite of changes. a) balance b) homeostasis c) equilibrium 6) What part of the cell controls what enters and leaves the cell: a) cell wall b) mitochondria c) plasma membrane 7) Most cells from freshwater organisms placed in salt water will a) shrink b) swell c) burst 8) You have two glasses in front of you. Glass A has just water. Glass B has 75% water and 25% salt. Which glass has a higher concentration of water? a) Glass A b) Glass B c) None of them 9) If ATP (energy) is needed for the movement of materials into or out of a cell, ____ has most likely occurred. a) active transport b) diffusion c) passive transport 10) You can smell the cookies your grandma is baking all the way upstairs in your bedroom. How did the smell get there? a) The smell moved by osmosis. b) The smell moved by diffusion. c) Active transport moved the smell. 11) Which term best describes homeostasis? a) balance b) smooth c) energy

Unit 4 - Cellular Transport

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