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Ch. 3 Biology
| Definition | Term |
|---|---|
| network of protein filaments with a role in cell movement and shape | cytoskeleton |
| stores most of the genetic information of a cell | nucleus |
| helps in the production of proteins and lipids | endoplasmic reticulum |
| link amino acids together to form proteins | ribosome |
| processes, sorts, and delivers proteins | golgi apparatus |
| carry certain molecules from place to place in a cell | vesicles |
| supplies energy to the cell by converting glucose molecules from food into usable energy | mitochondrion |
| contains enzymes that break down damaged and worn out cell parts; defend a cell from invasion | lysosome |
| organize microtubules to from cilia and flagella for cell motion or the movement of fluids past a cell | centriole |
| diffusion of water particles across a selectively permeable membrane (high to low concentration) | osmosis |
| process by which substances move across the plasma membrane and doesn't require energy | passive transport |
| energy-requiring process by which substances move across the plasma membrane against a concentration gradient | active transport |
| water flows out of cells; causes cells to shrivel; more water inside of cells, causing water to flow out | hypertonic |
| water flows into cells; causes cells to swell; more water outside of cells, causing water to flow in | hypotonic |
| process that moves large molecules and waste into a cell | endocytosis |
| process that moves large molecules and waste out of a cell | exocytosis |
| hereditary information inside the nucleus; instruction for making protein structures | DNA |
| cell that has no nucleus | prokaryotic |
| cell that has nucleus, makes up all multi cellular organisms | eukaryotic |
| energy | ATP |
| surrounds the nucleus | nuclear envelope |
| tails attracted to water | non polar |
| organelles exclusively to plant cells | chloroplast, cell wall, central vacuole |
| example of a prokaryotic cell | bacteria |
| the direction in which molecules will flow to reach equilibrium | across the plasma membrane, from high to low concentration |
| transport that requires energy | active |
| transport that doesn't require energy | passive |
| movement of small, non polar particles from an area of high concentration to low concentration until equilibrium is reached; an example is dye being dropped in water | simple diffusion |
| movement of slightly larger molecules through a channel protein across the plasma membrane | facilitated diffusion |
Created by:
ClayU36
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