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5 Written questions

5 Matching questions

  1. Eukaryotes
  2. extracellular matrix
  3. The Endomembrane System
  4. cell movement
  5. endosymbiotic theory
  1. a -all cell motion is tied to movement of microfilaments and microtubules
    -changes in shape of microfilaments: enables some cells to change shape quickly, allow some cells to crawl and animal cells to divide
  2. b -proposes that mitochondria and chloroplasts arose by symbiosis from ancient bacteria
    -this theory is supported by a wealth of evidence
  3. c -a mixture of glycoproteins secreted by animal cells
    -helps coordinate the behavior of all cells in tissue
  4. d -Appeared about 1.5 billion years ago
    -Include all cells alive today except bacteria and archaea
    -Are larger than proaryotic cells
    -Have a more complex archetecture
    -Possess a nucleus and a variety of organelles
  5. e -Extensive system of interior membranes that divides cell into compartments

5 Multiple choice questions

  1. -offer protection and support
    -fungal cell walls are made of chitin
    -plant cell walls are made of cellulose
  2. -Cells range in size from a few micrometers to several centimeters
    -Most cells are small because larger cells do not function efficiently
    -It's advantageous to have a large surface-to-volume ratio
    -As cell size increases, volume grows much faster than surface area
  3. -found only in plants and algae
    -energy capturing centers
    - site of photosynthesis in plants and algae
    -like bacteria, they possess circular DNA and divide by simple fission
    -like mitochondria, they are surrounded by 2 membranes
    -inner membrane is more complex
  4. -arise from ER
    -contain 2 sets of enzymes, one in plants-converts fats to sugars
    -other set is in animals-detoxifies various harmful molecules
  5. (1665)
    -Examined a thin slice of cork tissue
    -Observed honeycombed compartments he called cellulae
    -Term became cells

5 True/False questions

  1. golgi complex-flattened stack of membranes that are scattered throughout the cytoplasm
    -depending on cell, number of golgi bodies range from a few to several hundred--referred to as the golgi complex
    -golgi complex collects, packages, modifies, and distributes molecules

          

  2. DNA-Is associated with proteins
    -During cell division, condenses into chromosomes
    -After cell division, relaxes into chromatin

          

  3. The Plasma Membrane-There are two major kinds of cells: prokaryotes and eukaryotes

          

  4. kinesinmotor protein that moves vesicles to the cells periphery

          

  5. centrioles-anchor and assmble microtubules
    -not found in plants or fungi
    -may have originated as symbiotic bacteria