Active Transport
Movement of molecules from a ______ concentration to a ______ concentration
Movement of molecules from a lower concentration to a higher concentration
_____ concentration → ______ concentration
higher concentration → lower concentration
Osmosis: Diffusion of _____ through a _______
water, membrane
Primarily made of ________
Phospholipids
What is the Grinch's dog's name?
Max
Used as "pumps" to push solute from areas of low concentration to high concentration
carrier proteins
What happens when a plant cell is placed in a salt solution?
Cell body shrinks and pulls away from the cell wall.
Molecules will diffuse until they reach _______?
equilibrium
_______________ is a way to describe the makeup of the cell membrane
The Fluid Mosaic Model
In Rudolph the Red-Nosed Reindeer, what does Hermey the elf want to be instead of a toy maker?
A dentist
What is the molecule for energy in the sodium potassium pump?
ATP
_______ proteins – no energy required
channel proteins – no energy required
Direction depends on concentration of ______ particles
solute
______ is polar
______ is nonpolar
head is polar
tail is nonpolar
Where do the McAllister's travel to?
Paris
How many sodium and potassium ions are transferred in one cycle of the sodium potassium pump?
3 sodium and 2 potassium
A solution that has a high concentration of solute and a low concentration of water, water leaves the cell.
Hypertonic Solution
Water moves where concentration of solute particles is _______
higher
What are the three main jobs of the Plasma Membrane
Transport, Structure, and Communication
What does Clark plan to buy with his Christmas bonus?
A swimming pool
Three types of Active Transport
- Na/K pump
- Endocytosis
- Exocytosis
Three types of passive transport
- osmosis
- facilitated diffusion
3 main factors that affect the rate of diffusion
Temperature
Pressure-Concentration Gradient
Surface area of the membrane
What four things determine if a molecule can enter or exit a cell
- size of molecule
- solubility in lipids
- charge on ions
- carrier proteins
According to Buddy the Elf, what are the four main food groups for elves?
Candy, candy canes, candy corn, and syrup.