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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Phospholipids |
Form lipid bilayers on cell membrane |
Important part of cell membrane |
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Phospholipid bilayer |
Thin polar membrane made of two lipid molecules |
What phospholipids form |
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Polarity |
Positively and negatively charged ends |
Magnet |
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Transport proteins |
Cells that carry proteins |
Throughout the body |
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Selective permeability |
Cell has some control over what enters |
Wall |
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Glycoproteins/glycoproteins |
Covalently attach to polypeptide chains |
Many groups of glycogen |
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Diffusion |
The spreading of something more widely |
Spread out |
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Concentration gradient |
How concentrated something is |
Level of concentration |
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Osmosis |
The process of passing through the cell membrane |
Selective permeability |
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Turgor |
Rigidity of cells |
Cells harden |
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Isotonic |
Equal number of protons but different numbers of neutrons |
Isotope |
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Hypotonic |
Lower pressure |
Decrease in... |
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Hypertonic |
Increased pressure |
Increase in... |
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Passive transport |
Transport across cell membrane |
Only if permeable |
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Active transport |
Movement of ions or molecules across cell membrane |
Only if permeable |
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Facilitated diffusion |
Spontaneous passive transport |
Sudden |
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Endocytosis |
Taking in of matter by a living cell |
Other organisms |
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Exocytosis |
Transport of matter outside of a cell |
Taking out of |
