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absorption of urea from bloodi only know one, i was hoping that someone could give some more.

I know that the kidneys use active transport to absorb urea, and nitrogen from the blood. (Low concentration of urea, excess water etc. to a high concentration in the kidneys)

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What is the principle of active transport?

Active transport is a biological process that requires the input of energy to move substances across a cell membrane against their concentration gradient. This process utilizes specific carrier proteins embedded in the membrane to transport molecules such as ions, sugars, and amino acids. Active transport is essential for maintaining proper cellular function and regulating the internal environment of cells.


Explain the difference between active transport and facilitated transport?

Active transport utilizes energy, such as ATP, to move molecules against their concentration gradient across the cell membrane. Facilitated transport, on the other hand, moves molecules down their concentration gradient with the help of transport proteins but does not require energy input.


What matches a product of cellular respiration with the stage in which it form?

In cellular respiration, glucose is broken down during glycolysis to produce pyruvate, ATP, and NADH. The Krebs cycle (or citric acid cycle) generates additional ATP, NADH, and FADH2 while releasing carbon dioxide as a byproduct. Finally, the electron transport chain utilizes the NADH and FADH2 produced in the previous stages to generate a significant amount of ATP and water, completing the process. Thus, each product corresponds to a specific stage: glycolysis produces ATP and NADH, the Krebs cycle produces ATP, NADH, FADH2, and CO2, and the electron transport chain produces ATP and water.


What are all the differences between active and passive transport?

Passive transport occurs when the concentration of something on one side of membrane is different from the concentration on the other side. It occurs when that substance can pass through the membrane, and always in the direction of more -> less. No energy is required to make the substance move; in fact, this movement generates energy. This is like rolling a rock down a hill--it just does it on its own.Active transport occurs in the opposite direction, from less -> more. It requires energy for transport. This is like rolling a rock up a hill--you have to push it the entire way!Both involve the transport of a substance across a membrane, and the change in concentrations on different sides of a membrane. Both are also important to the proper functioning of a cell.Active transport requires energy, but passive transport requires none.Active transport requires a special protein to make the transport occur, but passive transport requires none.


What is it called when an experiment utilizes the deletion of a gene?

When an experiment involves deleting a gene to study its function, it is called gene knockout. This technique is commonly used in genetics research to understand the role of specific genes in various biological processes.

Related Questions

What is the principle of active transport?

Active transport is a biological process that requires the input of energy to move substances across a cell membrane against their concentration gradient. This process utilizes specific carrier proteins embedded in the membrane to transport molecules such as ions, sugars, and amino acids. Active transport is essential for maintaining proper cellular function and regulating the internal environment of cells.


What does the Krebs cycle utilize to generate NADH?

The Krebs cycle utilizes enzymes to break down molecules like glucose and fatty acids, producing NADH as a result. NADH is an important molecule that carries energy to the electron transport chain for ATP production in cellular respiration.


Does a steam engine produce steam?

No. It utilizes steam to make it function. The boiler produces the steam.


Is a source of energy that utilizes uranium-235 in a fission reaction to vaporize water. The steam is then used to turn turbines to generate electricity.?

nuclear power


Where does the oxygen and sugar go once they are made in a leaf?

They are stored or converted to sucrose to transport. Then utilizes when necessary


How does your body utilize oxygen for various physiological functions?

The body utilizes oxygen for various physiological functions through a process called cellular respiration. Oxygen is inhaled through the lungs and transported by red blood cells to cells throughout the body. In the cells, oxygen is used to convert glucose into energy through a series of chemical reactions. This energy is essential for activities such as muscle contraction, brain function, and overall metabolism. The byproduct of this process is carbon dioxide, which is then exhaled from the body.


What does utilizes in Tagalog?

Tagalog Translation of UTILIZES: gumagamit


Explain the difference between active transport and facilitated transport?

Active transport utilizes energy, such as ATP, to move molecules against their concentration gradient across the cell membrane. Facilitated transport, on the other hand, moves molecules down their concentration gradient with the help of transport proteins but does not require energy input.


When did high speed trains first start running commercially?

High speed trains are rail transport that utilizes technology to travel significantly faster than traditional transport. High speed trains first started to run commercially in 1964 at Japan, and were known as the bullet trains.


Is geothermal a fossil fuel?

No, geothermal energy is not a fossil fuel. It is considered a renewable, sustainable energy source because it utilizes heat from the Earth's core to generate electricity or heating, rather than burning fossil fuels.


Which type of energy resource is harnessed beneath the Earth surface?

Geothermal energy is harnessed beneath the Earth's surface. This renewable energy source utilizes heat from the Earth's core to generate power for electricity and heating systems.


How does an oven utilize radiation in its cooking process?

An oven utilizes radiation in its cooking process by using heating elements to generate infrared radiation. This radiation heats up the food inside the oven, cooking it evenly and efficiently.