Section 22.1- The Variety and Complexity of Cells Flashcards
the units of structure and function of living things
cells
the study of cells is known as the science of
cytology or cell biology
observed thin sections cork with a simple microscope of his own making and wrote a description of his observations
the idea that God divided living things into smaller parts called cells began by
Robert Hooke
originally stated the cell theory
Schleiden
advanced the cell theory
Schwann
states that all living things are composed of living units called cells and of cell products and that all cells come only from preexisting cells
cell theory
the most fundamental law of biology
cell theory
do all the work that is done is an organism
cells
the size of an organism is determined by the ____________ of cells not the ______________ of the cells
number not size
living cells were regarded as simple bags of amorphous gel or slime called
thought to be a slush of amino acids, protein, fat, and carbs
protoplasm
mysterious but simple
allows the protoplasm to grow and reproduce
thought to drive the processes of life
vital force (analogous to electricity)
a tiny, slef-contained city with its own power-plants, chemical factories, food warehouses, and wste-disposal facilities
has extensive transport network that uses to import raw materials for its “factories” and to export products and wastes
cell
