Chapter 02-Cells Flashcards
prokaryotic
has NO nucleus
Characteristics of living things
M Maintain R Reproduce O One or more cells G Grow E Energy is needed R Respond to environment
eukaryotic
Cell with a nucleus…DO
multicellular
made of more than one cell
unicellular
made of one cell
cell
smallest unit of a living thing
organism
a living thing
cell theory
All living things are made of cells
Basic unit of living things
Cells come only from other cells
organelle
cell part that has a specific function
specialized cell
cell that has a special job
nucleus
control center of the cell
cytoplasm
“jelly” that organelles float in
cell membrane
controls what goes into and out of a cell
mitochondria
produce energy
cell wall
protective covering only in a plant cell
chloroplast
only in plant cell…makes food (photosynthesis)
central vacuole
stores water in a plant cell
Robert Hooke
saw cork cells (dead) and named the cell
Anton von Leeuwenhoek
saw living cells in pond water
Louis Pasteur
“cells come only from living cells”
Rudolph Virchow
“cells come only from living cells”