2019-10-29T16:54:12+03:00[Europe/Moscow] en true transport protein, diffusion, passive transport, osmosis, facilitated diffusion, active transport, phospholipid bilayer, hydrophobic, hydrophilic, ATP, cholesterol, hypotonic solution, hypertonic solution, isotonic solution, solute, solvent, Cell Membrane, Homeostasis flashcards
Cell Transport

Cell Transport

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  • transport protein
    an embedded protein that helps a certain type of substance to cross the membrane
  • diffusion
    the movement of small particles from a region of high concentration to low concentration.
    the movement of small particles from a region of high concentration to low concentration.
  • passive transport
    the diffusion of a substance across the cell membrane without the need of energy
    the diffusion of a substance across the cell membrane without the need of energy
  • osmosis
    the diffusion of water across a membrane
    the diffusion of water across a membrane
  • facilitated diffusion
    the passage of molecules across a membrane with the help of specific transport proteins, requiring no energy.
    the passage of molecules across a membrane with the help of specific transport proteins, requiring no energy.
  • active transport
    the movement of a substance across a cell membrane against its concentration gradient, requires ATP
    the movement of a substance across a cell membrane against its concentration gradient, requires ATP
  • phospholipid bilayer
    a double layer of phospholipid molecules that form membranes in cells
    a double layer of phospholipid molecules that form membranes in cells
  • hydrophobic
    the tail of a phospholipid molecule that is repelled by water
    the tail of a phospholipid molecule that is repelled by water
  • hydrophilic
    the head of a phospholipid molecule that is attracted to water
    the head of a phospholipid molecule that is attracted to water
  • ATP
    the molecule that provides energy for cellular processes by breaking a bond
    the molecule that provides energy for cellular processes by breaking a bond
  • cholesterol
    molecule important in cell membranes because it allows it to remain fluid
    molecule important in cell membranes because it allows it to remain fluid
  • hypotonic solution
    contains less solute concentration than the cell; water will tend to enter the cell and it will swell
  • hypertonic solution
    when a cell is placed in a solution and the concentration of the solute outside of the cell is higher than it is inside
  • isotonic solution
    A solution in which the concentration of solutes is equal to that of inside the cell
  • solute
    A substance that is dissolved in a solution.
  • solvent
    In a solution, the substance in which the solute dissolves.
  • Cell Membrane
    Layer around every cell that separates it from the outside environment;it controls what can enter and leave the cell.
  • Homeostasis
    Maintaining balance inside the cell