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What chief force pushing water and solutes out of the blood across the filtration membrane is?
The chief force pushing water and solutes out of the blood across the filtration membrane in the kidneys is hydrostatic pressure. This pressure is generated by the blood flow entering the glomerulus and helps drive the filtration of water and small solutes into the kidney tubules to eventually form urine.
Which process describes the pushing of water across the capillary (blood vessel) membrane?
The process that describes the pushing of water across the capillary membrane is called filtration. Filtration occurs due to the pressure difference between the blood inside the capillary (hydrostatic pressure) and the surrounding tissue (osmotic pressure). This pressure gradient forces water and small solutes to move out of the capillary into the surrounding tissue.
What are some factors that affect the rate of ultrafiltration?
Factors that affect the rate of ultrafiltration include the size of the filtration membrane pores, the pressure gradient across the membrane, the concentration gradient of solutes across the membrane, and the surface area of the membrane available for filtration. Temperature and fluid viscosity can also influence ultrafiltration rate.
How do carrier proteins facilitate the transport of solutes across the membrane during facilitated diffusion?
Carrier proteins facilitate the transport of solutes across the membrane during facilitated diffusion by binding to specific solutes on one side of the membrane, undergoing a conformational change, and then releasing the solutes on the other side of the membrane. This process allows for the movement of solutes across the membrane without the need for energy input.
What is the transport is it when the blood pressure forces some water and solute particles from a blood vessel and into the kidneys?
Filtration is when fluids and solutes flow down their pressure gradient across a membrane such as in the glomerulus of the kidney.
When will water and solutes stop moving across a membrane?
Particles in a given medium stop moving across the membrane during diffusion when a state of equilibrium is reached, that is when the number of particles on either side of the membrane equalizes.
What is the name for the movement of water across the plasma membrane?
The movement of water across the plasma membrane is called osmosis. It occurs in response to concentration differences of solutes on either side of the membrane.
What involves the movement of solutes across a selectively permeable membrane by the process of difussion?
Osmosis involves the movement of solutes across a selectively permeable membrane by the process of diffusion. In osmosis, water molecules move across the membrane from an area of low solute concentration to an area of high solute concentration in order to equalize the concentration on both sides of the membrane.
What is the process of water diffusing across a what membrane?
Water diffuses across a cell membrane through a process called osmosis. Osmosis is the movement of water molecules from an area of high water concentration to an area of lower water concentration, driven by the concentration gradient of solutes across the membrane. This process helps maintain the cell's internal environment and balance the concentration of solutes inside and outside the cell.
What does diffusion across the cell membrane cause?
A change in concentration of solutes on either side of the membrane. Depending on the tonicity of the inner-membrane and the outside of the membrane, plasmolysis or cytolysis may occur.
How does osmosis occur across a semipermeable membrane?
Osmosis occurs across a semipermeable membrane when water molecules move from an area of higher concentration to an area of lower concentration, in order to balance the concentration of solutes on both sides of the membrane.
Are solutes always able to diffuse through a cell's selective permeable membrane?
No, solutes are not always able to diffuse through a cell's selectively permeable membrane. The ability for solutes to diffuse across a membrane depends on the size, charge, and concentration gradient of the solute. Larger or charged molecules may require the assistance of specialized transport proteins to cross the membrane.
