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5 Written questions

5 Matching questions

  1. chromotin fibers
  2. cilia
  3. cytoskeleton
  4. lys-
  5. diffusion
  1. a system of protein tubules and filaments that reinforces a cell's 3-D form, and provides scaffolding and transport tracks for organelles
  2. b DNA in complex protein that condenses to form chromosomes during mitosis
  3. c microscopic hairlike processes on exposed surfaces of certain epithelial cells
  4. d random movement of molecules from a region of higher concentration toward one of lower concentration
  5. e to break up

5 Multiple choice questions

  1. membranous cytoplasmic vesicle that contains enzymes that catalyze reactions that produce and decompose hydrogen peroxide
  2. process that requires energy to move a substance across a membrane, usually against a concentration gradient
  3. below
  4. organelle composed of a system of membranous tubules and vesicles; provides a tubular communication system and an attachment for ribosomes; it also functions in the synthesis of proteins and lipids
  5. a form of cell division that occurs in somatic (non sex) cells and produces two daughter cells from an original cell. They are genetically identical

5 True/False questions

  1. osmosisdiffusion of water through a selectively permeable membrane in response to a concentration gradient created by an impermeant solute


  2. hydrostatic pressuresolution with a lower osmotic pressure than the solution with which it is compared...usually body fluids


  3. metaphasestage in mitosis when newly formed cells separate


  4. tumor suppresor genesamount of pressure needed to stop osmosis; a solution's potential pressure caused by impermeant solute molecules in the solution


  5. phag-to eat


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