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When a substance moves from an area of low concentration to an area of high concentration while using energy the process is called active transport.

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Gerardo Glover

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2y ago

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What substance moves by osmosis?

Water is the substance that moves by osmosis. Osmosis is the movement of water molecules through a semipermeable membrane from an area of high water concentration to an area of low water concentration.


What is necessary for simple diffusion?

For simple diffusion to occur, a concentration gradient must exist where a substance moves from an area of higher concentration to an area of lower concentration. Additionally, the cell membrane must be permeable to the substance diffusing, allowing it to pass through freely.


For diffusion to occur which condition must be met?

Diffusion occurs when a substance moves from an area of high concentration to an area of low concentration. This will happen naturarally without disruption, But is more common (and will happen faster) in a warm environment.


What concentration gradient moves when a low concentration moves from an area of a higher concentration?

The low concentration moves down its concentration gradient from an area of high concentration to an area of low concentration. This process is driven by diffusion, where particles move spontaneously from regions of high concentration to regions of low concentration until equilibrium is reached.


How is active transport different then osmosis?

Osmosis is the diffraction of water through a permeable membrane using no energy, whereas active transport is the moving of particles across a membrane against a concentration gradient. Basically, Osmosis moves water with no energy. Active transport moves particles, in general, with the use of chemical energy like ATP.

Related Questions

When a substance moves from an area of low concentration to an area of high concentration while using energy the proces is termed what?

active transport


What does it means if a substance moves down its concentration gradient?

If a substance moves down its concentration gradient, it means that it is moving from an area where it has a high concentration to an area where it has a low concentration. This is known as diffusion.


A substance that moves by passive transport tends to move where?

Passive transport means it does not require energy. Therefore, substances move from areas of high concentration to low concentration. They do not require energy because they are staying within the concentration gradient.


A substance that moves across a cell membrane without using the cell's energy tends to move?

from an area of low concentration to an area of high concentration (if it is water) the opposite if it is a solid


What is the process by which a substance moves from a level of higher concentration to a level of lower concentration?

Osmosis


Is movement of a substance down its concentration gradient a passive transport?

Yes, movement of a substance down its concentration gradient is considered passive transport because it does not require energy expenditure by the cell. The substance moves from an area of high concentration to an area of low concentration through processes like simple diffusion, facilitated diffusion, or osmosis.


How does facilitate transport differ from active transport?

Facilitated transport occurs when a substance moves from an area of higher concentration to an area of lower without the aid of energy. Active transport involves additional energy as it is moving from a lower concentration into a higher concentration.


Where and when does diffusion occur?

Diffusion occurs when there is a concentration gradient i.e. a substance moves from higher to lower concentration.


What substance moves by osmosis?

Water is the substance that moves by osmosis. Osmosis is the movement of water molecules through a semipermeable membrane from an area of high water concentration to an area of low water concentration.


When thermal energy moves out of a substance the temptarue will increase or decrease?

When thermal energy moves out of a substance, its temperature will decrease. Thermal energy is the internal energy of a substance due to the kinetic energy of its atoms and molecules. As thermal energy leaves the substance, the average kinetic energy of the particles decreases, leading to a drop in temperature.


How is the active transport different from diffusion?

The main difference is that diffusion does not require energy and active transport does require energy. Just for the record diffusion has a concentration that moves from high to low, and active transport has a concentration that moves from low to high. (Hope this helps to answer your question!)


What best describes passive transport?

it moves materials from areas of high concentration to areas of low concentrationit moves materials of high concentration to areas of low concentration