| Question |
Answer |
| cell theory |
all living things are made up of cells; all cells carry out their own life functions; new cells come from other living cells |
| osmosis |
diffusion of water in or out of the cell |
| exocytosis |
golgi bodies that bring material out of the cell membrane |
| passive transport |
bring material into the cell membrane |
| active transport |
always requires energy |
| endocytosis |
passage of large molecules through the cell membrane into the cell |
| cell membrane |
structure that forms outer boundary of cell |
| cytoplasm |
gel-like material inside the cell membrane |
| endoplasmic reticulum |
a folded membrane that moves material in cells |
| golgi bodies |
stacks of sacs that package and move protiens |
| mitochondria |
organelles that release energy for the cell |
| nucleus |
structure that directs the cell's activities |
| organ |
different types of tissues that work together to do a job |
| ribosome |
where proteins are made |
| tissue |
groups of similar cells that do the same work |