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23 terms

Cytology

Cell Organelles/diffusion
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organelles
the "small organs" found in cells
tissue
a group of CELLS that work together to perform a specific function
exocytosis
the process of transporting LARGE materials OUT of a cell by means of a vesicle
cell membrane
controls what goes in and out of cells to maintain HOMEOSTASIS
cells
basic units of structure and function in living things
lysosome
cell organelle that contains enzymes used to breakdown or SPLIT food
prokaryote
cells that do NOT have a real nucleus
ribosomes
site of protein synthesis
diffusion
the movement of molecules from a greater concentration to a lesser concentration
phagocytosis
"cell eating"
cell wall
non-living structure that surrounds, protects and supports ALL plant cells, made of cellulose
Fluid-Mosaic Model
model used to describe the structure of plasma membranes
organism
any living thing
endocytosis
the process of transporting LARGE materials INTO a cell by means of a vesicle
organ system
a group of ORGANS working together to perform a specific function
centrioles
structures found only in ANIMAL cells and function only during cell division
chloroplast
chlorophyll-containing structure found only in PLANT cells; site of photosynthesis
osmosis
the diffusion of water
pinocytosis
"cell drinking"
eukaryote
cells that contain a "real nucleus" and membrane-bound organelles
organ
a group of TISSUES working together to peform a specific function
mitochondria
site of cellular respiration; powerhouse of the cell
golgi body
organelle that processes, packages, and stores PROTEINS to be secreted from the cell