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cell

cell
44問 • 1年前
  • cole likey
    • 通報

    問題一覧

  • 1

    outermost component of a cell

    cell membrane

  • 2

    It forms a boundary between material in inside the cell and the outside

    cell membrane

  • 3

    materials or substances inside the cell

    intracellular

  • 4

    materials or substances outside the cell

    extracellular

  • 5

    It acts as a selective barrier

    cell membrane

  • 6

    Studies of the arrangement or structure of molecules in the cell membrane

    fluid-mosaic model

  • 7

    Form a double layer of molecules

    phospholipids

  • 8

    Phospholipids contain 2 regions

    polar and nonpolar

  • 9

    water-loving (polar)

    hydrophilic

  • 10

    water-fearing (nonpolar)

    hydrophobic

  • 11

    The cell membrane is primarily made up of these types of molecules

    phospholipids, proteins, cholesterol and carbohydrates

  • 12

    It does not require the cell to expend energy

    passive membrane transport

  • 13

    It does require the cell to expend energy

    active membrane transport

  • 14

    What are the mechanisms under the passive membrane transport

    diffusion, osmosis and facilitated diffusion

  • 15

    What are the mechanisms included under the active membrane transport

    active transport, secondary active transport, endocytosis and exocytosis

  • 16

    Generally composed of two major parts, solutes and the solvent

    solution

  • 17

    Each solute tends to move from an area where it is in higher concentration to an area where it is in lower concentration in solution

    diffusion

  • 18

    Generally involves movement of substances in a solution down a concentration gradient

    diffusion

  • 19

    The difference in the concentration of a solute in a solvent between two points divided by the distance between the two points

    concentration gradient

  • 20

    It is said to be steeper when the concentration difference is large and/or the distance is small

    concentration gradient

  • 21

    Cell membrane channel that constantly allow ions to pass through

    leak channels

  • 22

    cell membrane channel that limits the movement of ions across the membrane by opening and closing

    gated channels

  • 23

    Diffusion of water (solvent) across a selectively permeable membrane from a region of higher water concentration to one of lower water concentration

    osmosis

  • 24

    Exerts a pressure which is the force required to prevent movement of water across cell membrane

    osmotic pressure

  • 25

    Solution that has a lower concentration of solutes and a higher concentration of water relative to the cytoplasm of the cell

    hypotonic

  • 26

    The solution has less tone, or osmotic pressure, than the cell

    hypotonic

  • 27

    Water moves by osmosis into the cell, causing it to swell

    hypotonic

  • 28

    A process that can rupture the cell if it swells enough

    lysis

  • 29

    The concentration of the various solutes and water are the same on both sides of the cell membrane

    isotonic

  • 30

    The cell will neither shrink nor swell

    isotonic

  • 31

    A solution that has higher concentration of solutes and a lower concentration of water relative to the cytoplasm of the cell

    hypertonic

  • 32

    Water moves by osmosis from the cell into the hypertonic solution, resulting in cell shrinkage or _

    crenation

  • 33

    This is what you call to molecules like protein to enter or leave through the cell membrane by diffusion

    carrier-mediated transport

  • 34

    A carrier-mediated transport process that moves substances across the cell membrane from an area of higher concentration to an area of lower concentration of that substance

    faciliated diffusion

  • 35

    A carrier-mediated process, requiring ATP, that moved substances across the cell membrane from regiond of lower concentration to those of higher concentration against a concentration gradient

    active transport

  • 36

    A major example of active transport

    sodium-potassium pump

  • 37

    Uses the energy provided by a concentration gradient established by the active transport of one substance. No additional energy is required

    secondary active transport

  • 38

    The diffusing substance moves in the same direction as the initial active transported substance

    cotransport

  • 39

    The diffusing substance moves in a direction opposite to that of the initial active transported substance

    countertransport

  • 40

    A process that brings materials into cell using vesicles

    endocytosis

  • 41

    Occurs when a specific substance binds to the receptor molecule and is transported to into the cell

    receptor-mediated endocytosis

  • 42

    Often used for endocytosis when solid particles are ingested

    phagocytosis

  • 43

    Has much smaller vesicles formed, and they contain liquid rather than solid particles

    pinocytosis

  • 44

    Involves the use of membrane-bound sacs call secretory vesicles that accumulate materials for release from the cell?

    exocytosis

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    問題一覧

  • 1

    outermost component of a cell

    cell membrane

  • 2

    It forms a boundary between material in inside the cell and the outside

    cell membrane

  • 3

    materials or substances inside the cell

    intracellular

  • 4

    materials or substances outside the cell

    extracellular

  • 5

    It acts as a selective barrier

    cell membrane

  • 6

    Studies of the arrangement or structure of molecules in the cell membrane

    fluid-mosaic model

  • 7

    Form a double layer of molecules

    phospholipids

  • 8

    Phospholipids contain 2 regions

    polar and nonpolar

  • 9

    water-loving (polar)

    hydrophilic

  • 10

    water-fearing (nonpolar)

    hydrophobic

  • 11

    The cell membrane is primarily made up of these types of molecules

    phospholipids, proteins, cholesterol and carbohydrates

  • 12

    It does not require the cell to expend energy

    passive membrane transport

  • 13

    It does require the cell to expend energy

    active membrane transport

  • 14

    What are the mechanisms under the passive membrane transport

    diffusion, osmosis and facilitated diffusion

  • 15

    What are the mechanisms included under the active membrane transport

    active transport, secondary active transport, endocytosis and exocytosis

  • 16

    Generally composed of two major parts, solutes and the solvent

    solution

  • 17

    Each solute tends to move from an area where it is in higher concentration to an area where it is in lower concentration in solution

    diffusion

  • 18

    Generally involves movement of substances in a solution down a concentration gradient

    diffusion

  • 19

    The difference in the concentration of a solute in a solvent between two points divided by the distance between the two points

    concentration gradient

  • 20

    It is said to be steeper when the concentration difference is large and/or the distance is small

    concentration gradient

  • 21

    Cell membrane channel that constantly allow ions to pass through

    leak channels

  • 22

    cell membrane channel that limits the movement of ions across the membrane by opening and closing

    gated channels

  • 23

    Diffusion of water (solvent) across a selectively permeable membrane from a region of higher water concentration to one of lower water concentration

    osmosis

  • 24

    Exerts a pressure which is the force required to prevent movement of water across cell membrane

    osmotic pressure

  • 25

    Solution that has a lower concentration of solutes and a higher concentration of water relative to the cytoplasm of the cell

    hypotonic

  • 26

    The solution has less tone, or osmotic pressure, than the cell

    hypotonic

  • 27

    Water moves by osmosis into the cell, causing it to swell

    hypotonic

  • 28

    A process that can rupture the cell if it swells enough

    lysis

  • 29

    The concentration of the various solutes and water are the same on both sides of the cell membrane

    isotonic

  • 30

    The cell will neither shrink nor swell

    isotonic

  • 31

    A solution that has higher concentration of solutes and a lower concentration of water relative to the cytoplasm of the cell

    hypertonic

  • 32

    Water moves by osmosis from the cell into the hypertonic solution, resulting in cell shrinkage or _

    crenation

  • 33

    This is what you call to molecules like protein to enter or leave through the cell membrane by diffusion

    carrier-mediated transport

  • 34

    A carrier-mediated transport process that moves substances across the cell membrane from an area of higher concentration to an area of lower concentration of that substance

    faciliated diffusion

  • 35

    A carrier-mediated process, requiring ATP, that moved substances across the cell membrane from regiond of lower concentration to those of higher concentration against a concentration gradient

    active transport

  • 36

    A major example of active transport

    sodium-potassium pump

  • 37

    Uses the energy provided by a concentration gradient established by the active transport of one substance. No additional energy is required

    secondary active transport

  • 38

    The diffusing substance moves in the same direction as the initial active transported substance

    cotransport

  • 39

    The diffusing substance moves in a direction opposite to that of the initial active transported substance

    countertransport

  • 40

    A process that brings materials into cell using vesicles

    endocytosis

  • 41

    Occurs when a specific substance binds to the receptor molecule and is transported to into the cell

    receptor-mediated endocytosis

  • 42

    Often used for endocytosis when solid particles are ingested

    phagocytosis

  • 43

    Has much smaller vesicles formed, and they contain liquid rather than solid particles

    pinocytosis

  • 44

    Involves the use of membrane-bound sacs call secretory vesicles that accumulate materials for release from the cell?

    exocytosis