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What is carrier-assisted transport?
Carrier-assisted transport is a mechanism in which a carrier molecule assists in the movement of a substance across a biological membrane. The carrier molecule can bind to the substance and facilitate its transport across the membrane. This process is typically passive and does not require energy input from the cell.
What happens if a molecule is too large to go through a membrane?
The molecule will be transported across the membrane by way of a transport protein or protein channel.
What are the steps of facilitated diffusion?
Facilitated diffusion involves the movement of molecules across a cell membrane with the help of transport proteins. The steps include the binding of the molecule to the specific protein, conformational changes in the protein to carry the molecule across the membrane, and the release of the molecule on the other side of the membrane. This process does not require energy input from the cell.
What process requires energy to bring molecule across the cell membrane?
active transport
Does active transport require a membrane?
Yes, active transport requires a membrane because it involves the movement of molecules or ions against their concentration gradient, which requires energy expenditure. This process is facilitated by specific transport proteins embedded within the membrane.
What require the use of energy to move a molecule across a cell membrane?
Active transport
What is carrier-assisted transport?
Carrier-assisted transport is a mechanism in which a carrier molecule assists in the movement of a substance across a biological membrane. The carrier molecule can bind to the substance and facilitate its transport across the membrane. This process is typically passive and does not require energy input from the cell.
Does facilitated diffusion require energy to transport molecules across the cell membrane?
Facilitated diffusion does not require energy to transport molecules across the cell membrane.
Does passive transport require ATP for the movement of molecules across the cell membrane?
No, passive transport does not require ATP for the movement of molecules across the cell membrane.
Does facilitated transport require energy for the movement of molecules across the cell membrane?
Yes, facilitated transport does require energy for the movement of molecules across the cell membrane.
What kind of molecule is used to transport molecules across the membrane?
hydropolactive.
What kind of transport across membrane does not require energy?
Ghh
Does facilitated diffusion require a transport protein for the movement of molecules across the cell membrane?
Yes, facilitated diffusion does require a transport protein for the movement of molecules across the cell membrane.
What are the types of membrane transport across the cell membrane require a protein carrier?
The brain
What is it when a molecule uses energy to move across a semipermeable membrane?
active transport
What happens if a molecule is too large to go through a membrane?
The molecule will be transported across the membrane by way of a transport protein or protein channel.
What are the steps of facilitated diffusion?
Facilitated diffusion involves the movement of molecules across a cell membrane with the help of transport proteins. The steps include the binding of the molecule to the specific protein, conformational changes in the protein to carry the molecule across the membrane, and the release of the molecule on the other side of the membrane. This process does not require energy input from the cell.
