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Why does the concentration of potassium change in the presence of ADH without a change in the excretion of potassium?
ADH makes the distal tubule and collecting duct more permiable to water so body will reabsorb more water from the filtrate. It does not require excretion of potassium because it is not reabsorbing sodium at the expense of losing potassium like the hormone aldosterone would in the same case.
What else can I help you with?
What is the advantage of ammonotelic excretion over uricotelic excretion?
The advantage is that ammonia (NH3) is not converted in Ammonotelic excretion. Fish can excrete ammonia through gills because there is a lot of water to dilute it in without causing damage to their cells. In Uricotelic excretion, NH3 has to be converted to a solid form via a complex and ATP-costly route. So Uricotelic excretion takes a lot more energy than Ammonotelic excretion.
What is the decomposition of heated potassium chlorate with catalyst?
When potassium chlorate (KClO₃) is heated in the presence of a catalyst, typically manganese dioxide (MnO₂), it decomposes into potassium chloride (KCl) and oxygen gas (O₂). The reaction can be represented as: 2 KClO₃ (s) → 2 KCl (s) + 3 O₂ (g). The catalyst accelerates the reaction without being consumed, facilitating the release of oxygen at a lower temperature than would be required without it. This process is often used in laboratory settings to generate oxygen gas.
What determines whether a transport process is active or passive?
The distinction between active and passive transport processes is primarily determined by the energy requirement and the concentration gradient. Active transport requires energy input, usually from ATP, to move substances against their concentration gradient, while passive transport occurs spontaneously, driven by the natural movement of molecules from areas of higher concentration to lower concentration, without the need for energy. Additionally, the presence of specific transport proteins may also influence the type of transport process.
What is the actual concentration of H2SiF6?
The actual concentration of H2SiF6 would depend on the specific solution or compound being referenced. Without additional information, it is not possible to determine the exact concentration of H2SiF6.
Does constant gradient have anything to do with passive transport?
No, constant gradient does not directly relate to passive transport. Passive transport is the movement of molecules across a membrane without the use of cellular energy, while constant gradient refers to a consistent change in concentration over a distance. However, the presence of a constant gradient can facilitate passive transport by driving the movement of molecules down their concentration gradient.
Why did the potassium permanent crystals in Figure 7.12 on page 197 start to dissolve in water without being stirred or shaken?
The potassium permanganate crystals started to dissolve in water without being stirred or shaken because of the process of diffusion. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration. The crystals dissolved as their particles spread out and mixed with the water molecules.
What is the process by which molecules move from high concentration region to low concentration region without the presence of membrane?
This process is called simple diffusion. It involves the random movement of molecules from an area of high concentration to an area of low concentration, driven by the concentration gradient. It does not require the presence of a membrane and occurs until equilibrium is reached.
What concentration of potassium permanganate is suitable for purifying drinking water?
Potassium permanganate (KMnO4) is poisonous in high concentrations, and is not typically used for disinfecting drinking water. It is used in low concentrations for iron and manganese oxidation as well as total organic carbon (TOC) reduction.High concentrations of KMnO4 result in pink colored water.
Diffusion of potassium permanganate and water?
Potassium permanganate particles diffuse into water molecules and the particles of potassium permanganate mix into water even without stirring. From the higher concentration to lower concentration.
What is the effect of potassium bi-sulphate as food preservative under various conditions temperature concentration time etc?
Potassium bisulfite is commonly used as a food preservative. At higher temperatures, concentrations, and longer times, potassium bisulfite can be more effective at inhibiting microbial growth and preventing food spoilage. However, it is important to carefully control these factors to ensure that the preservative is effective without negatively impacting the quality or safety of the food product.
What is the advantage of ammonotelic excretion over uricotelic excretion?
The advantage is that ammonia (NH3) is not converted in Ammonotelic excretion. Fish can excrete ammonia through gills because there is a lot of water to dilute it in without causing damage to their cells. In Uricotelic excretion, NH3 has to be converted to a solid form via a complex and ATP-costly route. So Uricotelic excretion takes a lot more energy than Ammonotelic excretion.
Why is excretion an important life function?
Excretion removes waste, harmful and excess materials from the body. Without it we would be unable to rid our bodies of substances we do not need, for example, Carbon Dioxide.
How do you increase potassium without supplements?
Eat a banana every day - an excellent source of potassium.
Will your chihuahua know how to have her first litter?
Nope. But it will do surely as it cant live without doing excretion.
In the concentration camps how long did you have to be in it?
People were sent to concentration camps without trial and without any sentence. They were held indefinitely.
Can sodium still enter a membrane if ATP is not present to activate the sodium potassium pump?
Yes, sodium can still passively diffuse into the cell through leak channels even if the sodium-potassium pump is not active. The sodium-potassium pump primarily works to maintain the concentration gradient of sodium ions by actively transporting them out of the cell, but without ATP, this process would eventually fail.
What is the decomposition of heated potassium chlorate with catalyst?
When potassium chlorate (KClO₃) is heated in the presence of a catalyst, typically manganese dioxide (MnO₂), it decomposes into potassium chloride (KCl) and oxygen gas (O₂). The reaction can be represented as: 2 KClO₃ (s) → 2 KCl (s) + 3 O₂ (g). The catalyst accelerates the reaction without being consumed, facilitating the release of oxygen at a lower temperature than would be required without it. This process is often used in laboratory settings to generate oxygen gas.
