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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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14y ago

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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.


What is the active transport process that moves charged particles?

The active transport process that moves charged particles is known as ion transport or ion pumping. This process utilizes energy, typically from ATP, to transport ions against their concentration gradient through ion pumps in the cell membrane. Examples include the sodium-potassium pump, which moves sodium out of the cell and potassium into the cell, maintaining essential electrochemical gradients for cellular functions. This mechanism is crucial for various physiological processes, including nerve impulse transmission and muscle contraction.


What is accomplished by the solute-pumping variety of active transport?

Solute-pumping active transport is essential for moving ions and molecules against their concentration gradients, which helps maintain cellular homeostasis. This process utilizes energy, typically from ATP, to transport solutes such as ions (e.g., sodium, potassium) across cell membranes. By doing so, it enables crucial functions like nutrient uptake, waste removal, and the establishment of membrane potential, which is vital for processes such as nerve impulse transmission and muscle contraction. Overall, solute-pumping active transport is fundamental for maintaining the necessary conditions for cellular function and survival.


What are two ways that a cell can substance against its concentration gradient?

A cell can move substances against their concentration gradient through active transport and bulk transport. Active transport utilizes energy, often from ATP, to pump molecules across the membrane via specific transport proteins. Bulk transport, or vesicular transport, involves the engulfing of larger substances or particles by the cell membrane, forming vesicles that can move materials into (endocytosis) or out of (exocytosis) the cell.


Why is there an overall movement of particles in the human cell?

The overall movement of particles in human cells is driven by various processes, including diffusion, active transport, and cytoplasmic streaming. Diffusion allows molecules to move from areas of high concentration to low concentration, while active transport utilizes energy (ATP) to move substances against their concentration gradient. Additionally, the cytoskeleton facilitates the movement of organelles and vesicles within the cell, ensuring proper distribution and function of cellular components. This dynamic movement is essential for maintaining homeostasis, signaling, and overall cellular function.

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.


What is the active transport process that moves charged particles?

The active transport process that moves charged particles is known as ion transport or ion pumping. This process utilizes energy, typically from ATP, to transport ions against their concentration gradient through ion pumps in the cell membrane. Examples include the sodium-potassium pump, which moves sodium out of the cell and potassium into the cell, maintaining essential electrochemical gradients for cellular functions. This mechanism is crucial for various physiological processes, including nerve impulse transmission and muscle contraction.


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


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.


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


What is accomplished by the solute-pumping variety of active transport?

Solute-pumping active transport is essential for moving ions and molecules against their concentration gradients, which helps maintain cellular homeostasis. This process utilizes energy, typically from ATP, to transport solutes such as ions (e.g., sodium, potassium) across cell membranes. By doing so, it enables crucial functions like nutrient uptake, waste removal, and the establishment of membrane potential, which is vital for processes such as nerve impulse transmission and muscle contraction. Overall, solute-pumping active transport is fundamental for maintaining the necessary conditions for cellular function and survival.


What are two ways that a cell can substance against its concentration gradient?

A cell can move substances against their concentration gradient through active transport and bulk transport. Active transport utilizes energy, often from ATP, to pump molecules across the membrane via specific transport proteins. Bulk transport, or vesicular transport, involves the engulfing of larger substances or particles by the cell membrane, forming vesicles that can move materials into (endocytosis) or out of (exocytosis) the cell.


Why is there an overall movement of particles in the human cell?

The overall movement of particles in human cells is driven by various processes, including diffusion, active transport, and cytoplasmic streaming. Diffusion allows molecules to move from areas of high concentration to low concentration, while active transport utilizes energy (ATP) to move substances against their concentration gradient. Additionally, the cytoskeleton facilitates the movement of organelles and vesicles within the cell, ensuring proper distribution and function of cellular components. This dynamic movement is essential for maintaining homeostasis, signaling, and overall cellular function.


How does poison ivy get water and use water?

Poison ivy, like other plants, absorbs water primarily through its roots from the soil. It utilizes this water for various physiological processes, including photosynthesis, nutrient transport, and maintaining turgor pressure to support its structure. The absorbed water is also essential for transpiration, which helps regulate temperature and facilitates the uptake of minerals from the soil. Overall, water is crucial for the growth and survival of poison ivy.


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.