Tour of the Cell

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Author:
moneysandhu
ID:
32891
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Tour of the Cell
Updated:
2010-09-05 19:32:08
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cell
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Description:
Tour of the Cell - Adv. Bio
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  1. Who created the compound microscope in 1590?
    Janseen Brothers
  2. Who discovered cells in a cork?
    Robert Hooke
  3. Early 1700's - Von Leeuwenhoek makes many observations of cells incuding _____.
    Bacteria
  4. Which microscope uses visible light to illuminate the object?
    Light Microscope (LM)
  5. Which microscope is inexpensive?
    Light Microscope (LM)
  6. Which microscope can examine both live and dead objects?
    Light Microscope (LM)
  7. Which microscope uses a bean of electrons instead of light?
    Electron Microscope
  8. Which year was the Electron Microscope invented?
    1939
  9. Advantages of a Electron Microscope:
    1.
    2.
    • 1. Magnification of 50,000x +
    • 2. Can get down to atomic level in some cases
  10. Disadvantages of a Electron Microscope:
    1.
    2.
    3.
    4.
    • 1. Need a vaccum
    • 2. Specimen must stop the electrons
    • 3. High cost
    • 4. Preparation
  11. Cyto = ____
    Ology = _____
    • Cell
    • Study of
  12. After observing cells in a cork, Robert Hooke coined the term cells in ____.
    1665
  13. Robert Brown discovered the nucleus in ____.
    1833
  14. M.J. SChleiden, stated all plants are made of cells in ____.
    1838
  15. T. Schwaan stated all aminals are made of cells in ____.
    1839
  16. All living matter is composed of ____________________.
    One or more cells.
  17. The cell is the ______ and ______ unit of life.
    Structural and Functional
  18. Lack a nucleus and other membrane bounded structures.
    Prokaryotic
  19. Have a nucleus and other membrane bounded structures.
    Eukaryotic
  20. Basic Cell Organization:
    1.
    2.
    3.
    4.
    • 1. Membrane
    • 2. Nucleus
    • 3. Cytoplasm
    • 4. Organelles
  21. Separates the cell from the enviroment.
    Membrane
  22. Boundry layer for regulating the movement of materials in/out of a cell.
    Membrane
  23. Cell substance between the cell membrane and the nucleus.
    Cytoplasm
  24. The "fluid" part of a cell. Exists in two forms:
    gel - thick
    sol - fluid
    Cytoplasm
  25. Small Organ
    Organelle
  26. Formed body in a cell with a specialized function.
    Organelle
  27. Important in organizational structure of cells
    Organelle
  28. Way to form compartments in cells to separate chemical reactions.
    Keeps various emzymes separate in space.
    Organelles Function
  29. Most conspicuous organelle.
    Usually spherical, but can be lobed or irreagular in shape.
    Nucleus
  30. Nucleus Structure:
    1.
    2.
    3.
    4.
    • 1. Nuclear Membrane
    • 2. Nuclear Pores
    • 3. Nucleolus
    • 4. Chromatin
  31. Double membrane separated by a 20-40 nm space
    Inner membrane supported by a protein matrix which gives the shape to the nucleus.
    Nuclear Membrane
  32. Allows materials in/out of nucleus.
    Regular holes throughboth membranes
    100 nm in diameter
    protein complex gives shape
    Nuclear Pores
  33. Dark staining area in the nucleaus
    0-4 per nucleus
    Storage area for ribosomes
    Nucleolus
  34. DNA and Protein in a loose format. will form the cells chromosomes.
    • Chromatin
    • Chrom = Colored
    • -tin = Threads
  35. Control center for cell.
    Contains the genetic instructions.
    Nucleus function
  36. Protein Synthesis is _____________.
    Ribosomes Function
  37. No membrane
    2 subunits made of protein and rRNA
    Ribosome Structure
  38. Free in the cytoplasm
    Membrane bound
    Ribosome Location
  39. Membranes that are related through direct physical continuity or by the transfer of membrane segments called vesicles
    Endomembrane System

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