An example of facilitated diffusion is the transport of:
Oxygen across the cell membrane
Carbon dioxide out of cells
Glucose into cells
Water through aquaporins
Related Questions
Which of the following is NOT a characteristic of facilitated diffusion?
It requires specific membrane proteins.
It does not require ATP.
It is a passive process.
It moves substances against their concentration gradient.
Facilitated diffusion does not require/show
Special membrane proteins
Saturation of transport
ATP energy
Selective nature
Which of the following statements regarding facilitated diffusion is INCORRECT?
It requires transport proteins.
It is a passive process and does not require energy.
It can move molecules against their concentration gradient.
Transport proteins involved can become saturated.
What are the aquaporins in facilitated diffusion process?
    Membrane proteins
Carrier proteins
Channel proteins
Carrier lipids
Which statement can be shared by facilitated diffusion and active transport?
    Both need carrier transporter, which are sensitive to inhibitors that reacts with protein side chains
    Energy is required by both the processes
    No energy expenditure in these processes
Both use carbohydrates to move molecules
across the membrane
    Consider the following statements and choose the correct answer
I.    Carrier proteins are needed by both facilitated diffusion and active transport and are sensitive to inhibitors that react with protein side chain
II.    Different types of proteins present in the membrane plays a major role in both active as well as passive transport
III.    The carrier proteins needed by facilitated and active transport are specific
IV.    There is no need of energy to pump molecule against a concentration in active transport
V.    Transport rate reaches to saturation point, when all the active proteins are used
I, II, II, IV and V
I, II and III
V, IV and I
I, II, III and V
Facilitated diffusion does not require/show
Special membrane proteins
Saturation of transport
ATP energy
Selective nature
    Water channels are possessed by a membrane to facilitate the movement of hydrophilic substances.
These channels are made up of
Proteins
Lipids
Carbohydrates
Nucleic acids
Water channels are made up of how many different types of aquaporins?
Thirteen
Four
One
Seven
Certain integral membrane proteins facilitate the diffusion of molecules across the membrane without directly binding to the transported molecule. These proteins create a continuous aqueous pathway through the lipid bilayer. Which of the following is the BEST example of such facilitated diffusion?
GLUT transporters moving glucose
Sodium-potassium pump maintaining ion gradients
Aquaporins transporting water
Chloride channels gated by voltage
