Osmosis and Diffusion
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18 QuestionsShow answers
  • Question 1
    120 seconds
    Q.

    Which means of particle transport requires energy?

    answer choices

    diffusion

    osmosis

    facilitated diffusion

    active transport

  • Question 2
    120 seconds
    Q.

    Which of the following is a function (job) of the cell membrane>

    answer choices

    breaks down lipids, carbohydrates, and proteins from food

    stores water, salt, proteins, and carbs

    keeps the cell wall in place

    regulates the movement of materials into and out of the cell

  • Question 3
    120 seconds
    Q.

    An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes

    answer choices

    water to move into the cell

    water to move out of the cell

    solutes to move into the cell

    solutes to move out of the cell

  • Question 4
    120 seconds
    Q.

    During diffusion, when the concentration of molecules on both sides of a membrane is THE SAME, the molecules will

    answer choices

    move across the membrane to outside of the cell

    stop moving across the membrane

    continue to move across the membrane in both directions

    move across the membrane to the inside of the cell

  • Question 5
    120 seconds
    Q.

    Diffusion occurs because

    answer choices

    molecules are attracted to one another

    molecules are constantly moving in and out

    cellular energy forces the molecules to collide with each other

    cellular energy pumps molecules across the membrane

  • Question 6
    120 seconds
    Q.

    Which means of particle transport is shown in the picture?

    answer choices

    endocytosis

    exocytosis

    facilitated diffusion

    protein pump

  • Question 7
    120 seconds
    Q.

    Molecules tend to move from an area of high concentration to low concentration is called

    answer choices

    facilitated diffusion

    diffuson

    osmosis

    receptor

  • Question 8
    120 seconds
    Q.

    The diffusion of water across a selectively membrane is called

    answer choices

    diffusion

    active transport

    homestatsis

    osmosis

  • Question 9
    120 seconds
    Q.

    Large molecules, such as glucose, that cannot cross the lipid bilayer can still move across the membrane through a type of PASSIVE transport called

    answer choices

    facilitated diffusion

    active transport

    osmosis

    diffusion

  • Question 10
    120 seconds
    Q.

    The relatively constant internal physical conditions of an organism is called

    answer choices

    diffusion

    receptor

    homestatsis

    active transport

  • Question 11
    120 seconds
    Q.

    Some materials can move across the cell membrane against a concentration gradient by

    answer choices

    active transport

    facilitated transport

    osmosis

    diffusion

  • Question 12
    120 seconds
    Q.

    Cells within a a multicellular organism communicate by chemical signals. In order to receive and respond to a certain chemical signal, a cell must have a ___________ for that chemical

    answer choices

    osmosis

    diffusion

    homestatsis

    receptor

  • Question 13
    120 seconds
    Q.

    Molecules from inside the cell being expelled out of the cell is known as

    answer choices

    endocytosis

    exocytosis

    diffusion

    osmosis

  • Question 14
    120 seconds
    Q.

    What would happen to to an animal cell with an internal salt concentration of 9% if it were placed in a salt solution with a concentration of 3%?

    answer choices

    It would shrink/ hypertonic

    It would stay the same/ isotonic

    It would swell/ hypotonic

  • Question 15
    120 seconds
    Q.

    The picture shows an example of what type of solution?

    answer choices

    hypertonic

    hypotonic

    isotonic

  • Question 16
    60 seconds
    Q.

    Once equilibrium is reached, equal numbers of molecules move in either directions across a semipermeable membrane.

    answer choices

    true

    false

  • Question 17
    60 seconds
    Q.

    Proteins called aquaporins are important to the movement of water through cell membranes. These proteins participate in active transport.

    answer choices

    true

    false

  • Question 18
    60 seconds
    Q.

    Moving materials from an are of LOW concentration to HIGH concentration requires active transport. (against the gradient)

    answer choices

    true

    false

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