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Cell
Cells/Organelles/Transport
Term | Definition |
---|---|
Prokaryote | Bacteria cell, lacks organelles, has ribosomes, always unicellular, smallest type of cell, oldest cell |
Eukaryote | Plant/Animal Cells, has organelles, has nucleus, can be multicellular or unicellular |
Semi-permeable | allows some material in, while blocking other material |
passive transport | does not use energy |
active transport | uses energy |
mitochondria | Transform chemical energy (sugar) into useful energy (ATP) |
chloroplast | captures sunlight and converts it into chemical energy (sugar) |
flagella | long whip-like projection used for movement |
cilia | hair like structure found on eukaryotic cells |
nucleus | directs the activities within the cell |
nucleolus | makes ribosomes and contains chromatin |
cell wall | rigid wall outside plasma membrane giving extra support to plant cells |
vacuole | sac-like structure used for storage |
ribosomes | makes proteins |
contractile vacuole | removes excess water to maintain homeostasis |
pseudopod | false foot; used for engulfing material |
eye spot | detects sunlight |
Two types of transport | active and passive |
Three types of passive transport | diffusion, osmosis, and facilitated diffusion |
Two types of active transport | endocytosis and exosytosis |
a cell membrane is made up of ____________ | phospholipids |
getting rid of toxins allows the cell to maintain _____________ | homeostasis |
cell differentiation | cells become specialized |
phototaxis | movement to or away from light |
chemotaxis | movement to or away from chemicals |
plasmids | found in prokaryotes; extra chromosome that holds important information |
organelle | little organ |
equilibrium | equal or balanced |
Three types of osmosis | hypotonic, isotonic, hypertonic |
hypotonic | the cell swells |
isotonic | the environment and cell maintain an equilibrium |
hypertonic | the cell shinks |