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Search Results for diffusion - All Grades

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Grade 9 Themes of Geography
The spread of a feature or trend from one key person or node of authority or power to other person or places.
  1. contagious diffusion
  2. stimulus diffusion
  3. relocation diffusion
  4. hierarchical diffusion
Grade 10 Cell Structure and Function
Grade 10 Cell Structure and Function
Grade 9 Cell Structure and Function
What is diffusion?
  1. the cell membrane falling apart
  2. the tendency of particles to spread out evenly in an available space
  3. an isotonic solution
Grade 7 Cell Structure and Function
What is diffusion?
  1. movement of water molecules through a selectively permeable membrane
  2. basic unit of structure and function in living things
  3. molecules moving from an area of low concentration to an area of high concentration
  4. different kinds of tissues functioning together
Grade 9 Cell Structure and Function
Grade 6 Cell Structure and Function
Grade 10 Cell Structure and Function
Grade 9 Cell Structure and Function
What type of diffusion occurs through a membrane by means of a channel or carrier protein?
  1. osmosis
  2. simple diffusion
  3. passive diffusion
  4. facilitated diffusion
None Cell Structure and Function
Diffusion is what?
  1. movement of paritcles of a substance
  2. movement of gradient of a substance
  3. movment of optimum temp of a substance
Grade 9 Cell Structure and Function
Diffusion is an example of
  1. active transport.
  2. passive transport.
  3. transport proteins.
  4. membrane receptors.
Grade 9 Cell Structure and Function
Grade 9 Cell Structure and Function
The diffusion of water is
  1. concentration.
  2. meiosis.
  3. mitosis.
  4. osmosis.
Grade 9 Cell Structure and Function
What is NOT a kind of passive transport?
  1. phagocytosis
  2. osmosis
  3. diffusion
  4. facilitated diffusion
Grade 10 Cell Structure and Function
Grade 9 Cell Structure and Function
An example of facilitated diffusion is
  1. oxygen moving into the blood cells.
  2. proteins moving by vesicle into the cell.
  3. water moving through an aquaporin channel.
  4. glucose using a carrier protein to move into the cell.
Grade 10 Cell Structure and Function
What is facilitated diffusion?
  1. a pressure that is exerted on the hypertonic side of a permeable membrane
  2. the process of taking material into the cell by means of eating
  3. the diffusion of a molecule through a protein channel to get through the cell membrane
Grade 9 Cell Structure and Function
Which is an example of active transport?
  1. endocytosis
  2. osmosis
  3. diffusion
  4. facilitated diffusion
Grade 10 Cell Structure and Function
Which is NOT a type of passive transport?
  1. diffusion
  2. osmosis
  3. endocytosis
  4. facilitated diffusion
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