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5 Written questions

5 Matching questions

  1. hypertonic
  2. mitosis
  3. receptor protein
  4. chromosomes
  5. microtubules
  1. a rodlike structure that condenses from chromotin during a cell's mitosis; the DNA of the cell
  2. b solution with a greater osmotic pressure than the solution with which it is compared...usually body fluids
  3. c hollow rod of the protein tubulin in the cytoplasm
  4. d proteins that are tightly coiled rodlike molecules that span the membrane, extending outward from the cell's surface, yet also dipping into the cell's interior. They bind to specific kinds of incoming molecules, triggering responses within the cell
  5. e 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 Multiple choice questions

  1. DNA in complex protein that condenses to form chromosomes during mitosis
  2. microscopic hairlike processes on exposed surfaces of certain epithelial cells
  3. stage in mitosis when replicated chromosomes separate and move to opposite ends of the cell
  4. below
  5. the contents of a cell excluding the nucleus and the cell membrane

5 True/False questions

  1. signal transductionseries of biochemical reactions that allow cells to receive and respond to messages coming into the cell membrane


  2. endoplasmic reticulumorganelle 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


  3. peroxisomesmembranous cytoplasmic vesicle that contains enzymes that catalyze reactions that produce and decompose hydrogen peroxide


  4. intercellular junctionssite of union between cells


  5. pinocytosisprocess by which a cell engulfs droplets of fluid from its surroundings