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13 Cards in this Set
- Front
- Back
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What are the parts of a Microscope? |
Oculars: Eye pieces
Revolving nosepiece: select lens Arm: support Stage: for holding object Stage knobs: move stage up and down Objective lens: focus on objects |
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What would you see under a microscope?
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Detailed lines... Magnified heavily objects.
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How to measure an objects under a microscope?
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See how many of the object will fit in the diameter.
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Parts of the cell theory.
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1. All living things are made of cells. |
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What did the discoveries made help with regards to microscopes and cells.
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They help to give an understanding as to how and why cells work/function.
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SEM vs. TEM Microscopes
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SEM: |
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Prokaryotes vs. Eukaryotes
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Pro:
Do not enclose DNA in nuclei. Eu: Enclose DNA in nuclei. |
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Cell parts:
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Mitochondria: Power
Nucleus: Control center Vacuole: Storage Cell wall: Rigid wall Cell membrane: Selectively permeable membrane Lysosome: Get rid of waste E.R.: Rough wall Ribosomes: Make proteins. |
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Plant vs Animal cells.
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Plant cells:
Have cell wall Have centrioles Chloroplasts Large vacuole Animal cells: None of first 4 Small vacuoles |
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Prokaryotic cell structure:
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Small cells, no nuclei with DNA.
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How much weight of a cell does water account for?
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70 percent
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Phospholipid bilayer parts:
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Hydrophobic tail (bottom)
Hydrophobic head (top) |
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Chlosterols role in the plasma membrane:
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Integrity and fluidity maintainence
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