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What is the process that utilizes a carrier to move marerials across the plasma membrane in the direction of the concentration?
Diffusion is what carries materials across the plasma membrane. The diffusion cannot be moved across water.
What determineds the direction in which a substance diffuses across a membrane?
Concentration gradient determines the direction of flow.
What determines the direction of net movement across a cellmembrane?
The direction of net movement across a cell membrane is determined by the concentration gradient of a substance, with molecules moving from an area of high concentration to an area of low concentration. Additionally, the permeability of the membrane to the specific molecules also influences their movement. External factors such as temperature and pressure can also impact the direction of movement across the membrane.
What does the direction of H plus diffusion across a membrane depend on?
Concentration. It will generally flow from an area of high concentration to an area of low concentration.
How does passive transport move substances across a cell membrane in the direction of their concentration gradient?
Passive transport moves substances across a cell membrane in the direction of their concentration gradient without requiring energy input from the cell. This process relies on the natural movement of molecules from areas of high concentration to areas of low concentration, facilitated by protein channels or carriers in the cell membrane.
The net direction that an ion or molecule moves is?
determined by the concentration gradient and electrical gradient across the membrane. If the net movement of ions or molecules is down their concentration gradient and towards the opposite electrical charge, they will move across the membrane.
What does the direction of osmosis depend on?
Osmosis is the movement of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration. The direction of osmosis depends on the relative solute concentrations on either side of the membrane.
What is the term for the movement of a solute across a membrane in the direction of its concentration gradient from high to low concentration?
The term for the movement of a solute across a membrane in the direction of its concentration gradient, from high to low concentration, is called "diffusion." This process does not require energy input and occurs naturally as molecules move to achieve equilibrium. Diffusion is a fundamental concept in biology and chemistry, influencing various physiological processes.
What is the direction of net osmosis?
Osmosis is the passage of water from the region of high water concentration through a semi permeable membrane to a region of low water concentration. The direction of movement is from area of higher water concentration to area of lower water concentration.
Which type of transport is the coupled passage of two materials across a membrane?
Symport is the type of transport that involves the coupled passage of two materials across a membrane in the same direction. It relies on a concentration gradient to move both substances across the membrane simultaneously.
What determines the direction in a substance diffuses across a membrane?
The concentration gradient determines the direction in which a substance diffuses across a membrane. The concentration gradient is a measure of how the concentration of a substance changes from one place to another.
The movement of the water across a membrane is termed?
The term used is osmosis. the direction of movement across the membrane is dependent on the concentration of solutes (known as the solute potential) which directly effects the osmotic potential.
