Cells and Microscopes

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Author:
Cheetah717
ID:
51640
Filename:
Cells and Microscopes
Updated:
2010-11-25 03:07:38
Tags:
cells microscopes
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Description:
A set of cards intended for the preparation for the Unit 1 Science Test
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  1. What are the 5 characteristics of living things?
    • 1. Respond to their environment
    • 2. Require energy
    • 3. Grow
    • 4. Reproduce
    • 5. Excrete wastes
  2. Identify 1, 3, 6, and 8 in the diagram::
    • 1: Ocular lens (eyepiece)
    • 3: Arm
    • 6: Base
    • 8: Objective lenses
  3. What is the total magnification of an object seen under a microscope?
    Objective lens x eyepiece lens = total magnification

    i.e: 4 (eyepiece) x 10 (objective) = 40 total magnification
  4. What would the letter 'e' look like under a microscope?
    Ə

    This is because it is inverted (flipped vertically) and reversed.
  5. What does the cell theory state?
    • 1. The cell is the basic unit of life
    • 2. All organisms are composed of one or more cells
    • 3. All cells come from other living cells.
  6. What are the two different types of cells, and how are they different?
    • Prokaryotic (not surrounded by membranes)
    • Eukaryotic (surrounded by membranes)
  7. Are animal and plant cells eukaryotic or prokaryotic?
    Eukaryotic
  8. Label

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