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Normally things move from a side with a high concentration to a low concentration until both are equal. You can see this if you put a spoonful of dry cool aid into water. After a time, all the water has equal amounts of the colored cool aid. This is called passive transport (or osmosis).
Active transport occurs in one area that has a higher concentration, the concentration becomes higher still. This can occur in a cell and requires a membrane that separates the sides and has "pumps" in the membrane that keep the two sides from mixing and becoming equal. The pumps in the membrane are proteins.
What else can I help you with?
Is osmosis active trasport or passive trasport?
Osmosis is an example of Passive Transport.
What are trasport number?
There is no such thing as a "trasport number".
How does active trasport differ from passive trasport?
active transport is when cells must move materials in an opposite direction against concentration gradient. it requires energy. passive doesn't require energy. like a balloon , when u blow it up it requires energy and when u left the air go out it doesn't.
What trasport uses no petrol?
A bicycle
What did the Aztec use for trasport?
ummm... their feet?
What does astronauts use?
Astronauts use space shuttles( trasport people and equipment), Space probes (robotic exploration, Spacecrafts (trasport crew, equipment, and other technologies)
What technology does astronauts use?
Astronauts use space shuttles( trasport people and equipment), Space probes (robotic exploration, Spacecrafts (trasport crew, equipment, and other technologies)
What is the cellular movement of a substance that requires the use of energy?
Active transport is the cellular movement of a substance that requires the use of energy, typically in the form of ATP. This process involves the movement of molecules or ions against their concentration gradient, from an area of lower concentration to an area of higher concentration.
What are 3 types of passive trasport?
Diffusion, Osmosis, and facilitated diffusion.
Advantges of E-comerce?
it saves trasport costs it saves time to the company
Was the horse the main trasport before the steam engines?
yes they came before steam engines
When did horses start being used as transport?
1000 years ago horses were used to be trasport
