Term
| The plasma membrane exhibits ________, allowing some substances to cross it more easily than others |
|
Definition
|
|
Term
| Phospholipids are ___________ molecules, containing hydrophobic and hydrophilic regions |
|
Definition
|
|
Term
| _______ proteins are bound to the surface of the membrane |
|
Definition
|
|
Term
| ________ penetrate the hydrophobic core |
|
Definition
|
|
Term
| Six major functions of membrane proteins |
|
Definition
Transport
Enzymatic activity
Signal transaction
Cell-cell recognition
Inter-cellular joining
Attachment to the cytoskeleton and extracellular matrix (ECM) |
|
|
Term
| ________ allow passage of hydrophilic substances across the membrane |
|
Definition
|
|
Term
| Channel proteins called _________ facilitate the passage of water |
|
Definition
|
|
Term
| _______ ability of a surrounding solution to cause a cell to gain or lose water |
|
Definition
|
|
Term
| _____ solution --> Solute concentration > than inside the cell; cell loses water |
|
Definition
|
|
Term
| _____ solution --> Solute concentration < than inside the cell; cell gains water |
|
Definition
|
|
Term
| Membrane ____ is the voltage difference across a membrane |
|
Definition
|
|
Term
| In _____, molecules dissolved in droplets are taken up when extracellular fluid is “gulped” into tiny vesicles |
|
Definition
|
|
Term
| The plasma membrane exhibits ______ ______, allowing some substances to cross it more easily than others |
|
Definition
|
|
Term
| Phospholipids are ________ molecules, containing hydrophobic and hydrophilic regions |
|
Definition
|
|
