WorksheetsMembrane Transport
Total questions: 9
Worksheet time: 5mins
If water concentration is high outside of the cell, we could describe the outside of the cell as _________.
Hypertonic
Hypotonic
Hydrophobic
Hydrophilic
Which red blood cell was placed in an isotonic solution?
The one on the right
The middle one
The one on the left
None of them
Select all that are true for the beaker on the right.
The RBC was placed in a hypertonic solution
The RBC was placed in a hypotonic solution
Water will leave the cell
Water will enter the cell
Which of the following are true of isotonic situations? Select all that apply!
Water does not move
Water moves in and out of the cell
There is no net movement of water
Solute moves in and out of the cell
Solute does not move
________ is the source of energy in primary active transport, and _______ is the source of energy in secondary active transport
ATP ; ATP
Pump protein ; symporter
Electrochemical gradient ; sugar
Sugar ; ATP
ATP ; electrochemical gradient
Facilitated diffusion requires _______.
A protein
Energy
Energy and a protein
An electrochemical gradient
Osmosis is an example of ____________, and uses ____________ proteins.
Simple diffusion ; no
Facilitated diffusion ; aquaporin
Facilitated diffusion ; pump
Active transport ; aquaporin
Which of the following molecules can pass through the membrane via simple diffusion?
Oxygen
Water
Glucose
Hydrogen ions
The sodium-potassium pump pumps 3 Na+ ions out of the cell, and 2 K+ ions into the cell, both against their gradient. Select all that are true of Na+/K+ pumps.
It is an antiporter
It is a symporter
It is used in passive transport
It is used in active transport
It undergoes a conformational change
