Cells And Cell Movement Flashcards
1
Q
All living things are made up of cells
A
Schwann and Schleidon
2
Q
Cell theory
A
Cells are the basic unit of life
3
Q
Cells come from pre-existing cells
A
Rudolph Virchow
4
Q
1st to view cells “tiny boxes”– cork
A
Robert Hooke
5
Q
Microscope maker
1st to view living cells in drop of water– “little beasties”
A
Anton Von Leeuwenhoek
6
Q
Size
Function
Organization
A
Diverse
7
Q
Maintaining a stable internal environment
pH, temp, salt concentration, water, etc
A
Homeostasis
8
Q
"down" the concentration gradient (low to high) NO ENERGY REQUIRED Diffusion Osmosis Facilitated diffusion Ion channels **EQUALIBRIUM
A
Passive transport
9
Q
“Up” the concentration gradient high to low
Requires energy (ARP)
Sodium/potassium pump
Endocytosis (phagocytosis and pinocytosis)
Exocytosis
A
Active transport
10
Q
More water on inside of cell
A
Hypertonic
11
Q
More water outside cell
A
Hypotonic
12
Q
Same amount of water inside and outside of cell
A
Isotonic environment
