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How do carrier proteins facilitate the passive transport of molecules across a membrane?
Carrier proteins facilitate the passive transport of molecules across a membrane by binding to specific molecules on one side of the membrane and changing shape to transport the molecules across to the other side. This process does not require energy and is driven by the concentration gradient of the molecules.
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.
Why must transport proteins be peripheral proteins?
Transport proteins must be peripheral proteins because they need to be able to move within the cell membrane to facilitate the transport of molecules across the membrane. Peripheral proteins are not embedded within the lipid bilayer of the membrane, allowing them to move more freely and interact with molecules on both sides of the membrane. This mobility is essential for transport proteins to effectively transport molecules across the cell membrane.
What is the transport of a molecule from the inside of a cell to the outside of a cell called?
The transport of molecules from inside a cell to the outside is called exocytosis. In this process, vesicles containing the molecules fuse with the cell membrane, releasing the contents to the extracellular space.
In which process does the cell use a vesicle to move molecules into the cel?
The process in which a cell uses a vesicle to move molecules into the cell is called endocytosis. During endocytosis, the cell membrane engulfs extracellular material, forming a vesicle that is then brought into the cytoplasm. This mechanism allows the cell to transport large molecules, such as nutrients and signaling molecules, as well as to remove debris from the extracellular environment.
What is A method of active transport across the cell membrane in which the cell takes extracellular fluid?
penis
What is the method of active transport across the cell membrane in which the cell takes in extracellular fluids?
penis
How do carrier proteins facilitate the passive transport of molecules across a membrane?
Carrier proteins facilitate the passive transport of molecules across a membrane by binding to specific molecules on one side of the membrane and changing shape to transport the molecules across to the other side. This process does not require energy and is driven by the concentration gradient of the molecules.
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.
What happens in each of the three main parts of facilitated diffusion?
Binding: Molecules from the extracellular environment bind to the carrier protein on the cell membrane. Transportation: The carrier protein undergoes a conformational change, allowing the molecules to pass through the membrane. Release: Once inside the cell, the molecules are released from the carrier protein and the protein returns to its original conformation for further transport.
What biomolecule helps transport molecules across the membrane?
proteins
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.
Why must transport proteins be peripheral proteins?
Transport proteins must be peripheral proteins because they need to be able to move within the cell membrane to facilitate the transport of molecules across the membrane. Peripheral proteins are not embedded within the lipid bilayer of the membrane, allowing them to move more freely and interact with molecules on both sides of the membrane. This mobility is essential for transport proteins to effectively transport molecules across the cell membrane.
What ways of moving molecules across a membrane requires energy?
Active transport requires energy to move molecules across a membrane against their concentration gradient. This process is facilitated by specific carrier proteins embedded in the membrane that use energy, usually in the form of ATP, to transport molecules.
