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;
21 Cards in this Set
- Front
- Back
STATE OF STEADY INTERNAL PHYSICAL AND CHEMICAL CONDITION |
HOMEOSTASIS |
|
ALL CELLS MUST MAINTAIN? |
HOMEOSTASIS |
|
ONE WAY OF MAINTAINING HOMEOSTASIS? |
CONTROL MOVEMENT SUBSTANCES ACROSS CELL MEMBRANE |
|
SOMETIMES CELLS USE __________ TO TRANSPORT SUBSTANCES? |
ENERGY |
|
SUBSTANCES CAN MOVE WITHOUT THE USE OF ________________. |
ENERGY |
|
MOLECULE MOVEMENT FROM HIGH TO LOW CONCENTRATION |
PASSIVE TRANSPORT |
|
DIFFERENCE CONCENTRATION OF SUBSTANCES ACROSS MEMBRANE |
CONCENTRATION GRADIENT |
|
WATER MOLECULES ARE SMALL AND DIFFUSE THROUGH THE CELL MEMBRANE |
OSMOSIS |
|
PASSIVE TRANSPORT HIGH TO LOW |
SIMPLE DIFFUSION |
|
EQUAL CONCENTRATION OF SUBSTANCE THROUGHOUT A SPACE |
EQUILIBRIUM |
|
NEVER CHANGING BALANCE OF SUBSTANCE |
DYNAMIC EQUILIBRIUM |
|
MOTION OF PARTICLES NEVER TRULY __________ |
STOP |
|
RANDOM MOTION OF PARTICLES SUSPENDED IN A MEDIUM |
BROWNIAN MOTION |
|
THE CELL MEMBRANE IS _________ _________. |
SELECTIVELY PERMEABLE |
|
EXISTS ACROSS THE CELL MEMBRANE |
CONCENTRATION GRADIENT |
|
A SUBSTANCE MUST BE ABLE TO PASS THROUGH THE CELL MEMBRANE ON IT'S OWN |
TO DIFFUSE DOWN THE GRADIENT (HIGH TO LOW) |
|
THE INTERIOR (TAILS) OF THE LIPID BILAYER ARE __________. |
NON-POLAR |
|
LIPID BILAYER _________ IONS AND MOST POLAR MOLECULES (SODIUM, CHLORIDE, POTASSIUM, MAGNESIUM , GLUCOSE) |
REPELS |
|
LIPID BILAYER _________ VERY SMALL OR NON-POLAR MOLECULES TO ENTER |
ALLOWS |
|
WATER MOVING DOWN THE CONCENTRATION GRADIENT IS A _________ ___________ |
PASSIVE TRANSPORT |
|
WATER MOLECULES DIFFUSED THROUGH THE CELL MEMBRANE IS CALLED? |
OSMOSIS |