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Biology Honors Semester 2 Final Exam > U5P1 > Flashcards

Flashcards in U5P1 Deck (9)
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1

what makes up the plasma membrane

phospholipid bilayer

2

result of diffusion

concentration of substances will eventually reach equilibrium

3

diffusion

takes place from an area of high concentration to an area of low concentration

4

cell membrane

regulates what enters and leaves the cell

5

compare and contrast active transport, give examples

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

osmosis

process by which water passes into or out of a cell

7

tissue

group of similar cells acting together to perform a specific function

8

polar head

hydrophilic

9

polar tail

hydrophobic