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When would active transport take place in a cell?
When molecules are moved from a low concentration area to a high concentration area.
Which part of the cell does active transport take place?
Active transport is a function of the cell membrane.
Differences between diffusion and active transport?
Diffusion is the passive movement of molecules from an area of high concentration to an area of low concentration, while active transport requires energy to move molecules against their concentration gradient, from an area of low concentration to an area of high concentration. Active transport is selective, meaning it can move specific molecules, whereas diffusion is non-selective.
A form of passive transport that uses transport proteins-?
Diffusion (passive transport) needs no energy to take place, and therefore no need for transport or carrier protiens. Active transport uses carrier protiens, as the cell needs to work against a concentration gradient. This requires energy. Diffusion can take place outside of cells Active transport can't take place outside of cells.
Why do cells prefer to use passive transport instead of active transport?
Cells prefer to use passive transport because it does not require energy input from the cell. Active transport, on the other hand, requires energy in the form of ATP to move molecules against their concentration gradient. Passive transport is more efficient for moving molecules down their concentration gradient.
How do microvilli and mitrochondria help in the active transport?
Microvilli increase the surface area of the cell membrane, allowing for more transport proteins to be present to facilitate active transport of molecules against their concentration gradient. Mitochondria provide the energy in the form of ATP needed to power the active transport process.
Passive and active transport?
Active Transpot. -Pumps -Endocytosis -Exocytosis Passive Transport - Diffusion -osmosis -Facilitated Diffusion active requires energy passive doesnt. active against concentration gradient, passive along concentration gradient.
How does diffusion take place in the body?
P.I.S.O.- Potassium in Sodium out facilitated diffusion, active transport , and passive transport and simple diffusion.
where does active transport takes place which part of the cell?
Active transport takes place in the small intestine, where nutrients are absorbed from the intestine and into the bloodstream. More specifically, it is the structures known as villi that contain the protein receptors necessary for active transport to take place. The process also happens in the nephrons of the kidneys, where glucose and water/ions are selectively reabsorbed back into the bloodstream.
What ia an active transport using an example for explanation?
Active transport is similar to diffusion, in that it is the movement of molecules. However, whereas diffusion occurs passively and molecules move from an area of high concentration to an area of low concentration, active transport reverses this. Molecules are transported from an area of high concentration to an area of low concentration, and this requires energy in the form of ATP. Active transport accross a membrane takes place via specific transport proteins. ATP produced in respiration causes these proteins to change their 3D shape when a molecule binds with it, so that it is taken into the cell/transported from the cell against the concentration gradient. An analogy of a kissing gate can be used. So, for example, if the concentration of mineral salts inside a root hair cell is higher than that outside the cell in the soil, then diffusion cannot take place passively as the concentration gradient is not in the right direction. Mineral salts would not passively move from an area of low concentration (soil) into an area of high concentration (cell). In this case, active transport must be employed for the cell to absorb the ions in the soil. They bind to proteins on the cell membrane, which actively "carry" them into the cell using energy from respiration. In this way, the plant can absorb the mineral salts even though the passive diffusion gradient is the wrong way. Active transport can be defined as "the energy consuming transport of molecules or ions across a membrane against a concentration gradient, made possible by transferring energy from respiration."
What is a active transport?
Active transport is a type of cellular transport that requires energy in the form of adenosine triphosphate (ATP) to move substances against their concentration gradient, from lower to higher concentration. This process enables cells to take up essential nutrients, excrete waste products, and maintain proper ion concentrations.
Does active transport require water?
No.... The Active Transport Requires Energy >> Just Energy But Our Bodies Transport a lot Of Substances Using Active Transport Including Water , Metal Ions, etc .......
