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Passive transport processes do not require ATP or energy for transport. Co-transport processes would also not be considered a passive process.
-The xylem in plants uses capillary action, a passive process
-If a specific channel exists for, let's say, an ion or molecule, then that channel uses passive transport, however, it the channel cannot be "gated" in any way as in voltage-gated Na+ channels or delayed rectifier K+ channels. You can also look at the ascending loop of Henle in the juxtamedullary nephron of the kidney and see passive transport of water molecules
-The blood brain barrier also allows passive transport of certain molecules
A good way to think of passive transport is whether or not the plasma membrane has "holes" big enough in it to allow for molecules to pass through, provided there are no charge hindrances for that molecule passing through. Or a specific channel is open and letting a molecule in without the expense of ATP (using ATP to make the membrane channel protein does not fall under this category)
What else can I help you with?
Is transport proteins active transport or passive transport?
passive
Facilitated diffusion is a example of?
Passive transport & follow me on Twitter at BruhMann_
Is transport proteins a passive transport?
Carrier proteins can be involved in passive transport.
How does active transport differ from passive transport-?
Active transport requires energy while passive transport does not.
The difference between active transport and passive transport is?
Active transport requires energy; passive transport does not.
What is differs between active transport and passive transport?
Active transport requires energy; passive transport does not.
What is the dif frence between active and passive transport?
Active transport requires energy, passive transport does not.
Is diffusion an active or a passive transport?
Passive.
Is osmosis active or a passive transport?
Passive.
What produces energy from the passive transport?
nothing, passive transport doesn't require energy
There are two main ways in which molecules are transported into and out of cells - active transport and passive transport. Which of the following statements is true of passive transport?
Carrier proteins are sometimes used during passive transport.
Is water an active or passive transport?
Water can use both passive and active transport mechanisms. Passive transport involves movement of water molecules across a membrane without the need for energy, while active transport involves the use of energy to move water molecules against their concentration gradient.
