U5P1 Flashcards
1
Q
what makes up the plasma membrane
A
phospholipid bilayer
2
Q
result of diffusion
A
concentration of substances will eventually reach equilibrium
3
Q
diffusion
A
takes place from an area of high concentration to an area of low concentration
4
Q
cell membrane
A
regulates what enters and leaves the cell
5
Q
compare and contrast active transport, give examples
A
passive: moves along with no energy, high to low ex. glucose
active: uses energy, moves against concentration gradient, low to high ex. sodium potassium pumps
6
Q
osmosis
A
process by which water passes into or out of a cell
7
Q
tissue
A
group of similar cells acting together to perform a specific function
8
Q
polar head
A
hydrophilic
9
Q
polar tail
A
hydrophobic
