Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
The outside of the cell is ______ because:
|
Positively charged; there are more positive ions on the outside of the plasma membrane than on the inside
|
|
|
Chemical composition of the cell
|
50% lipids
50% proteins 4% carbohydrates |
|
|
Integral proteins
|
Channel through entire lipid bilayer
|
|
|
Peripheral proteins
|
float inside or outside surface of membrane
|
|
|
Ligand
|
Small molecule that binds to a protein
|
|
|
Diffusion
|
The movement of solutes from an area of high concentration to an area of low concentration
|
|
|
Concentration gradient
|
Concentration difference between two points in a solution
|
|
|
Rate of diffusion is influenced by
|
Viscosity of the solution
Magnitude of concentration gradient Size of molecules Temperature |
|
|
Tonicity
|
Tension of solution imparted by solutes
|
|
|
Osmolarity
|
Total number of solutes
|
|
|
Filtration
|
Liquid and particles moving across a partition from an area of greater pressure to an area of lower pressure
|
|
|
Facilitated diffusion
|
Diffusion involving a carrier molecule
|
|
|
Rate of transport in facilitated diffusion depends on
|
Specificity
Concentration |
|
|
Phagocytosis
|
Endocytosis involving the ingestion of solid particles
|
|
|
Pinocytosis
|
Endocytosis involving the ingesting of liquid
|
