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The cost of ATP for a cell using transport proteins depends on the type of transport mechanism employed. For active transport, which moves substances against their concentration gradient, the process typically requires the hydrolysis of one ATP molecule per transport cycle. In contrast, facilitated diffusion through transport proteins does not require ATP, as it occurs along the concentration gradient. Therefore, if active transport is utilized, it costs the cell one ATP per transport event.
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What is the process by which materials are distributed throughout an organism?
The organelle, or structure in a cell that performs a specific job, that distributes materials is the Golgi complex. They package and distribute proteins, which are given to the vesicles. The vesicles transport the proteins to any part of the cell.
Why can channel proteins mediate much more rapid transport than carrier proteins?
Channel proteins allow ions or molecules to flow freely through a pore, leading to rapid transport without requiring conformational changes. Carrier proteins, in contrast, undergo conformational changes to transport substrates individually, making the process slower than channel proteins.
How does the cell membrane differ from the cell?
They do not differ much. The proteins in each are slightly different.
What lets things in and out of the cell like a door?
The structure that regulates what enters and exits a cell is the cell membrane, also known as the plasma membrane. It is a selectively permeable barrier made primarily of a phospholipid bilayer, embedded with proteins that facilitate the transport of substances. This membrane allows essential nutrients to enter the cell while keeping harmful substances out, much like a door controls access.
What is a easy way to remember cell membrane?
An easy way to remember the cell membrane is to think of it as a "selective barrier" or "security gate." It regulates what enters and exits the cell, much like a gatekeeper controlling access. You can visualize it as a fluid mosaic model, where the lipid bilayer acts like a flexible barrier with proteins embedded, allowing for communication and transport. Remember the phrase “lipid sandwich” to recall its structure: two layers of lipids with proteins in between!
How do transport proteins work?
They are used in Facilitated Diffusion, helping to transport ions, macromolecules, and other substances incapable of entering a cell by themselves to cross through the plasma membrane of the cell.
How can proteins fit in the cell?
Proteins are MUCH tinier (by a million times) than a cell.
What is the process by which materials are distributed throughout an organism?
The organelle, or structure in a cell that performs a specific job, that distributes materials is the Golgi complex. They package and distribute proteins, which are given to the vesicles. The vesicles transport the proteins to any part of the cell.
How do transport move substances across membranes?
Transport proteins change shape, much like a folding door
Why can channel proteins mediate much more rapid transport than carrier proteins?
Channel proteins allow ions or molecules to flow freely through a pore, leading to rapid transport without requiring conformational changes. Carrier proteins, in contrast, undergo conformational changes to transport substrates individually, making the process slower than channel proteins.
How much does transport vessel cost How much it cost to rent a transport vessel for 1 year?
Need to know an example price. Which type of vessel.
How does the cell membrane differ from the cell?
They do not differ much. The proteins in each are slightly different.
How much does it cost to transport a wind turbine?
16500
How much would transport cost?
it would cost up to $500 to $600
How much does it cost to transport 1 million metric tone from Europe to Asia?
How much dose it cost to transport 1 million metric tone from europe to asia?
Why can oxygen diffuse across a cell but a protein cannot?
Oxygen is much smaller than a protein.proteins are too largeDifference in size
How much does stem cell research cost?
How much does stem cell research cost? $4 trillion per year.
