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24 Cards in this Set
- Front
- Back
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How can you tell of it a cell is a plant cell? |
no cell wall; larger vacuole |
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What cell structures are found in plants cells, but not in animal cells? |
chloroplasts |
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what are the three part to the cell theory? |
1. all living things are composed of cells 2. cells are the basic units of structure and function in living things 3. new cells are produced from existing cells |
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What is the difference between a eukaryotic and prokaryotic? |
eukaryotic = nuclei prokaryotic = no nuclei |
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why is the nucleus important to the cell? |
contains most DNA & coded instructions for making proteins and other important molecules |
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where do water molecules move to during osmosis? |
high concentration to low |
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is osmosis diffusion or active transport? |
diffusion |
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What is the difference between diffusion and active transport? |
diffusion = no energy active transport = energy |
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What are the 4 levels of organization in multicellular organisms? |
1. cells 2. tissues 3. organs 4. organ systems |
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What is hypertonic? |
high concentration on outside of cell |
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What is hypotonic? |
high concentration on inside of cell |
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What is isotonic? |
same concentration inside and out of cell |
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Why are cells called what they are? |
cells are tiny prison rooms like chambers |
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What parts of the cell were visible when stained? |
nucleus, cell wall, cell membrane |
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What 2 parts should you hold a microscope by? |
arm and base |
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what part of the microscope controls light? |
diaphram |
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what part of the microscope holds the slide and moves up and down? |
stage |
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low power objective? |
40X |
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medium power objective? |
100X |
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high power objective? |
400X |
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low power objective mm? |
4.5mm/450 microns |
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medium power objective mm? |
1.8mm/ 180 microns |
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high power objective mm? |
0.45mm/45 microns |
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1 millimeter = ? microns |
100 |
