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5 Written questions

5 Matching questions

  1. cell wall
  2. nuclear envelope
  3. isotonic
  4. cell
  5. centriole
  1. a
    in animal cells, a cytoplasmic organelle that organizes the mitotic spindle fibers during cell reproduction
  2. b
    (used of solutions) having the same or equal osmotic pressure
  3. c
    strong layer around the cell membrane in plants, algae, and some bacteria
  4. d
    (biology) the basic structural and functional unit of all organisms
  5. e
    layer of two membranes that surrounds the nucleus of a cell

5 Multiple choice questions

  1. describes a solution whose solute concentration is lower than the solute concentration inside a cell

  2. process by which certain cells can engulf and incorporate droplets of fluid

  3. the process by which a substance is released from the cell through a vesicle that transports the substance to the cell surface and then fuses with the membrane to let the substance out
  4. when the concentration of a solute is the same throughout a solution

  5. double-layered sheet that forms the core of nearly all cell membranes

5 True/False questions

  1. organ system
    group of organs that work together to perform a specific function


  2. cytoplasm
    a jellylike fluid inside the cell in which the organelles are suspended


  3. osmosis
    diffusion of water through a selectively permeable membrane


  4. endocytosis
    the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell


  5. active transport
    energy-requiring process that moves material across a cell membrane against a concentration difference