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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is adhesion |
When unlike molecules come together |
Unlike molecules |
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Auxin |
The cell hormone that promotes cell growth or elongation |
Hormone |
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Cohesion |
Like molecules coming together |
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Concentration gradient |
Difference within a given area between highest and lowest concentration of a particular substance |
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Control systems |
Systems in plants that respond to specific stimuli |
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Cytoplasmic streaming |
Distribution of materials in cells through circular motion of cytoplasm |
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Electron microscope |
Microscope that uses beams of electrons to create a magnified image |
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Fluid-mosaic model |
Description of the arrangement of protein molecules in the fluid double layer of phospholipids that make up the cell membrane |
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Phospholipids |
a lipid containing a phosphate group in its molecule |
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Guard cells |
Epidermal cells that swell and contract to control gas exchange through the stomata |
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Gravitropism |
The plants response to stimuli caused by gravity |
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Facilitated diffusion |
Diffusion of molecules across a membrane through binding to carrier proteins; does not require energy(passive transport) |
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