Main Idea
Structure
Passive Transport
Active Transport
100
What is the most important funtion of the cell membrane?
cellular transport
100
What is the cell membrane?
a semi-permeable bilayer
100
Which direction is concentration pulled in passive transport?
from higher concentration to lower
100
Which type of passive transport is active transport similar to?
facilitated diffusion
200
What are the two different ways of cellular transport?
passive and active
200
Name all 5 proteins found in the cell membrane
marker, transport, pump, receptor, and enzyme
200
What does osmosis affect?
water
200
What does active transport require?
ATP
300
Why is cellular transport important to the cell? (3 reasons)
1. transfers necessary materials intothe cell 3. tranfers waste out of the cell 2. maintains homeostasis
300
Which part of the phospholipid is non-polar?
the head
300
What three things affect the rate of diffusion?
temperature, size of molecules, and difference of concentration levels
300
Which direction is concentration pulled in active transport?
from lower concentration to higher
400
What are the three types of passive transport?
diffusion, osmosis, and facilitated diffusion
400
What is the function of the receptor protein?
to recognize and bind to substances outside of cell
400
Which protein does facilitated diffusion use?
transport protein
400
Which protein is used in active transport?
pump protein