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The most selective pores in the filtration membrane are located in the?
The most selective pores in the filtration membrane are located in the glomerulus of the nephron in the kidneys. These selective pores, known as podocytes, allow for the passage of small molecules like water, ions, and waste products while preventing larger molecules like proteins and blood cells from entering the filtrate. This selectivity is important for maintaining the body's fluid balance and eliminating waste products efficiently.
In a kidney which blood component would not usually pass through the membranes?
In a kidney, large blood components such as red blood cells and most proteins typically do not pass through the filtration membranes in the glomeruli. This is because these components are too big to fit through the small pores of the filtration barrier. As a result, they remain in the bloodstream while smaller substances like water, electrolytes, and waste products are filtered out into the urine.
What produces blood cells and is found in the pores of a spongy bone?
Bone Marrow Bone Marrow
Why don't red blood cells pass through the dialysis tube?
The reason why red blood cells don't pass through the dialysis tube is because red blood cells are too large to fit through the pores in the membranes but urea and salt flow through membranes into the sterile solution and are removed.
The movement in white blood cells change shape to squeeze through tiny pores is called?
leukocyte
Regulate both the flow of water and the flow of materials that pass through the pores of a sponge?
The body of a sponge helps regulate the flow of water by efficiently channeling it through its pores, allowing for filtration and nutrient intake. At the same time, the sponge controls which materials pass through its pores by utilizing specialized cells to selectively take in beneficial substances while filtering out unwanted particles.
Which part of the cell has pores that control the movement of chemicals in?
The nuclear envelope, which surrounds the nucleus, has pores called nuclear pores that control the movement of molecules such as RNA and proteins in and out of the nucleus. These pores help regulate the flow of substances between the nucleus and the cytoplasm.
How do you determine the size of viruses by filtration?
that the virus is too much small that they can pour out by the filter pores.
What is the difference between Sieving and Filtration?
Sieving: i)The sieve used in this method has larger pores. ii) It is used to filter wheat,flour,etc. Filtration: i) The filter paper used in this method has smaller pores. ii) It is used to filter muddy water,etc.
How does insulin open pores?
Once in the blood, insulin molecules can reach all the cells of the body. An insulin molecule is able to attach itself to the cell membrane of cells. When it does, one kind of pore opens. Sugar from the blood can then enter the cell through the open pore.
How would you increase filtration rate in living membranes?
To increase filtration rate in living membranes, you can increase the surface area available for filtration by increasing the number or size of pores in the membrane. Additionally, applying pressure or using specialized proteins to enhance membrane permeability can also help increase filtration rate. Lastly, optimizing the flow rate or adjusting the composition of the filtration solution can improve overall filtration efficiency in living membranes.
Why do the root cells look different from the leaf cells of a plant?
Root cells do not have chlorophyll that gives the green color to the leaf. Root cells have hair extensions called root hairs. Leaves do not have these extensions. Root cells do not have pores. Leaves have pores that are guarded by two cells that are responsible for increasing and decreasing the size of the pores.
