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Why is the concentration of urea greater in the collecting duct of a kidney than in the bowman's capsule?
Wiki User
∙ 10y ago
As odd as this may seem, the very purpose of the kidneys is to filter waste materials including urea directly out of the blood. Before urine is isolated and stored by the kidneys and bladder, it is a component of the blood.
Wiki User
∙ 16y ago
Wiki User
∙ 10y agoDue to the absorption of water; therefore, it's not so much that urea is secreted into the tubules (although it is secreted via UT-AT2 into the loop of Henle), but rather that water is being removed, so even if there was a constant amount of urea, the concentration would increase
Wiki User
∙ 15y agoA HIGH PROTEIN DIET CAN CONTRIBUTE TO HIGH LEVELS OF UREA .
Wiki User
∙ 15y agoUrea is made in the liver from excess proteins. The link is that meat contains a relatively high proportion of protein, so the liver must then need to synthesise more urea.
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There is a greater concentration of na plus and there is a greater concentration of k plus in the cell?
There is a greater concentration of Na plus outside and there is a greater concentration of K plus inside the cell. When the stimulus is delivered, the permeability of the membrane is changed, and Na plus diffuses into the cell, initiating the depolarization of the membrane.
How many times greater ias the concentration of DDT in fish than seawater?
The concentration of DDT in the fish is 430,000 times greater than the concentration of DDT in the water.
What controls the rate of diffusion?
The rate of diffusion is directly related to the concentration of gradient. For example, the greater the amount between the concentration of the areas, the greater the greater to difference in diffusion.
How do you make alkaline?
The concentration of dissociable OH- ions is a measure of the basicity of the substance. Greater the concentration of hydroxyl ions, greater is it alkaline.
What is hypotenic?
the movement of particles from areas of greater concentration to area of lesser concentration.
Diffusion is the movement of molecules from an area of?
...greater concentration to an area of lesser concentration.
What is it called when things move from an area with greater concentration to lesser concentration?
Diffusion
What solution has a grater concentration h or OH?
Depends on the pH, at low pH (below pH 7), the H+ ion concentration is greater, and high pH the OH- ion concentration is greater
What is the movement of materials from an area of greater concentration to an area of lesser concentration?
Passive Transport
Is the concentration of calcium ion greater in the sarcoplasmic reticulum or sarcoplasm of a resting muscle?
The Ca2+ ion concentration of the sarcoplasmic reticulum will be greater in a resting muscle
What is it called when the concentration of solutes is greater outside the cell the inside?
A hypertonic environment with regard to the cell.
The concentration of material is greater on the outside of the cell than the inside in what solution?
A solution in which the salt concentration is greater outside the cell than inside the cell is known as
