1) If solute concentrations are the same on both sides of a membrane, and the net flow of water is zero, then the solution is a) diffusion b) osmosis c) hypertonic solution d) hypotonic solution e) isotonic solution f) semipermeable 2) Movement of substances across a membrane, or through the air, from an area of high concentration to areas of low concentration. a) diffusion b) osmosis c) hypertonic solution d) hypotonic solution e) isotonic solution f) semipermeable 3) The movement of WATER across a membrane from an area of low solute concentration to an area of high solute concentration. a) diffusion b) osmosis c) hypertonic solution d) hypotonic solution e) isotonic solution f) semipermeable 4) A solution where solute concentrations outside of a cell are lower than inside the cell, and water flows into the cell seeking balance. a) diffusion b) osmosis c) hypertonic solution d) hypotonic solution e) isotonic solution f) semipermeable 5) A cell membrane has pores that allow some substances to go through it because it is a) diffusion b) osmosis c) hypertonic solution d) hypotonic solution e) isotonic solution f) semipermeable 6) A solution where solute concentration outside of a cell is higher than inside the cell, so water flows out of the cell. a) diffusion b) osmosis c) hypertonic solution d) hypotonic solution e) isotonic solution f) semipermeable 7) In order to sustain life, organisms and their cells must maintin balance. a) true b) false 8) The structure that allows cells to pass substances in and out. a) endoplasmic reticulum b) cell wall c) cell membrane d) nucleus 9) An organism would eventually dies if substances could not pass through a cell membrane. a) true b) false 10) balance a) homeopatsis b) homogeniosis c) homogulous d) homeostasis 11) The flow of water in an hypertonic solution is a) water flows in b) water flows out c) it doesn't flow in or out, but stays the same 12) The flow of water in an isotonic solution is a) water flows in b) water flows out c) it doesn't flow in or out, but stays the same 13) The flow of water in an hypotonic solution is a) water flows in b) water flows out c) it doesn't flow in or out, but stays the same 14) Why does water flow out of cell in a hypertonic solution? a) solute concentration is lower outside of the cell and higher inside of the cell. b) solute concentration is higher outside the cell and lower inside the cell. c) Solute concentrations are are the same inside and outside of the cell 15) Why does water flow into a cell in a hypotonic solution? a) solute concentration is lower outside of the cell and higher inside of the cell. b) solute concentration is higher outside the cell and lower inside the cell. c) Solute concentrations are are the same inside and outside of the cell 16) Why does water flow out of cell in a isotonic solution? a) solute concentration is lower outside of the cell and higher inside of the cell. b) solute concentration is higher outside the cell and lower inside the cell. c) Solute concentrations are are the same inside and outside of the cell 17) water is the universal solvent because it ______________ many substances. a) solvent b) solute c) solution d) dissolves 18) the dissolving substance a) solvent b) solute c) solution d) dissolves 19) the substance being dissolved a) solvent b) solute c) solution d) dissolves 20) The result of dissolving a substance in a solvent a) solvent b) solute c) solution d) dissolves

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