Study

Cell Transport

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  • Which type of transport protein has to change shape to allow things to pass through?
    carrier
  • Passive Transport - ___________ required
    no energy
  • Active Transport - _________ required
    energy
  • How many potassium ions are pumped into the cell for every 3 sodium ions that are pumped out?
    2
  • ____- means cell
    cyto
  • Is simple diffusion passive or active?
    passive
  • Facilitated diffusion uses ______ ______ to transport substances but does not use energy.
    transport proteins
  • ________ - taking in solid or large particles
    phagocytosis
  • _______ are specialized channels used in facilitated diffusion that allows ions into and out of the cell.
    ion channels
  • How many sodium ions are pumped out of the cell for every 2 potassium ions that are pumped in?
    3
  • What is one example of diffusion that Miss Luzadder gave during notes?
    oil diffuser, AXE body spray, peeling an orange, baking cookies/brownies
  • Cellular energy is called ____.
    ATP
  • In passive transport, substances move from _____ to _____ concentration,
    high to low
  • _______ = into the cell
    endocytosis
  • _____ is the diffusion of water across a semipermeable membrane.
    osmosis
  • What are the three examples of active transport?
    endocytosis, exocytosis, sodium-potassium pump
  • Too much water in the cell = _______
    hypotonic
  • Too little water in the cell = ______
    hypertonic
  • What are the two types of transport proteins that facilitated diffusion uses?
    carrier and channel
  • ______ transport requires energy.
    active
  • A difference of concentrations between two regions is called the _____.
    concentration gradient
  • ______ transport moves substances across the cell membrane against the concentration gradient.
    active
  • Is facilitated diffusion passive or active?
    passive
  • Are ion channels passive or active?
    passive
  • What are the three types of passive transport?
    simple diffusion, facilitated diffusion, osmosis
  • A cell is in a ________ solution if the concentration of water inside of the cell is lower than the concentration outside the cell.
    hypotonic
  • ________ - taking in dissolved or small particles
    pinocytosis
  • Facilitated diffusion moves ____ and polar molecules across the membrane using proteins.
    ions
  • Hypertonic = water moves _______ the cell.
    out of
  • Is endocytosis passive or active?
    active
  • The ideal amount of water in the cell = _______
    isotonic
  • ________ transport is used to move very large molecules that will not fit through the membranes or transport proteins.
    active
  • What is the specialized protein that moves Na+ and K+ across the cell membrane?
    sodium-potassium pump
  • Simple diffusion moves molecules that are _______ and have no charge, so they can pass right through the membrane.
    nonpolar
  • Hypotonic = water moves _______ the cell.
    into
  • ________ - taking in specific particles using receptors
    receptor mediated
  • What are the two types of cell transport?
    passive and active
  • _________ moves water molecules through the membrane from high to low concentration.
    osmosis
  • Is the sodium-potassium pump passive or active?
    active
  • _________ moves molecules through the membrane from high to low concentration without the use of transport proteins.
    simple diffusion
  • Is exocytosis passive or active?
    active
  • In an ______ solution, water enters and leaves the cell at the same rate.
    isotonic
  • An ____ is a charged particle.
    ion
  • In passive transport, substances move across the cell membrane _____ the concentration gradient.
    with
  • ____- means out
    exo
  • What are the three examples of endocytosis?
    phagocytosis, pinocytosis, receptor mediated
  • _______ = out of the cell
    exocytosis
  • Another name for passive transport is ______.
    diffusion
  • When the percentage of water is lower on the outside than the inside, the cell will become ______.
    hypertonic
  • Facilitated diffusion is a type of _____ transport.
    passive
  • A cell is in a ________ solution if the concentration of water inside of the cell is higher than the concentration outside the cell.
    hypertonic
  • The rate at which molecules move depends on factors such as _____ and _____.
    temperature and concentration gradient
  • When the percentage of water is higher on the outside than the inside, the cell will become ______.
    hypotonic
  • ____- means in
    endo
  • _____ is the state in which the concentrations on both sides of a semipermeable membrane are the same or equal.
    equilibrium
  • _______ is a process in which cells form a vesicle around particles to expel them from the cell.
    exocytosis
  • _______ is a process in which cells surround and engulf substances that are too large to enter the cell.
    endocytosis
  • If the temperature is high (hot), the molecules will move _____ than if they were cold.
    faster
  • Is osmosis passive or active?
    passive
  • Which type of transport protein is like a tunnel and just allows things to pass through?
    channel
  • _________ moves molecules through the membrane from high to low concentration with the use of transport proteins.
    facilitated diffusion
  • Channel proteins called ______ assist in osmosis.
    aquaporins
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