Transport that moves substances from low to high concentration across a membrane is known as active transport. This process requires energy, typically in the form of ATP, to move molecules against their concentration gradient. Active transport is essential for maintaining cellular functions, such as nutrient uptake and ion regulation. Examples include the sodium-potassium pump and proton pumps.
active transport
The cell membrane passes materials through a process called passive or active transport. Passive transport uses the natural movement of molecules from an area of high concentration to low concentration, while active transport uses energy to move molecules against their concentration gradient. Additionally, the cell membrane contains specific transport proteins that facilitate the movement of molecules in and out of the cell.
Active transport is used when molecules are moved across a cell membrane against their concentration gradient, from a low to a high concentration.
Facilitated diffusion is a type of passive transport in which a substance moves across the cell membrane from high to low concentration. In this situation, the substance moves with the concentration gradient, and with the help of carrier molecules, it is able to make it's way across the membrane smoothly and without the expense of energy. Active transport, on the other hand, is the movement of a substance across the cell membrane from low to high concentration, making the transport a bit more difficult and calling for the use of energy. Transport proteins recognize the substance and allow it to cross through the membrane.
Active transport is when the cell moves particles from an area of low concentration on one side of the cell membrane, to an area of high conc. on the other side, by means of a protein embedded in the membrane.
Well it depends most of the time it goes from low to high.
active transport
Both involve the transport of materials across the cell membrane. Active transport goes against the concentration gradient and requires ATP. Diffusion goes with the concentration gradient, or from high to low concentration, and does not require ATP. ATP is the standard unit of energy in cells.
Yes. Active transport requires energy; it is transport from an area of low concentration to an area of high concentration. Passive transport doesn't require energy; it is transport from an area of high concentration to an area of low concentration.
a cell transports things across the cell membrane from areas of high concentration to ares of low concentration
The cell membrane passes materials through a process called passive or active transport. Passive transport uses the natural movement of molecules from an area of high concentration to low concentration, while active transport uses energy to move molecules against their concentration gradient. Additionally, the cell membrane contains specific transport proteins that facilitate the movement of molecules in and out of the cell.
active transport
Low to High would be "Active transport" if I remember Biology correctly. It requires Energy.
Active transport. To go "upstream" requires ATP, a form of energy, to pump against the ion gradient.
Active transport is used when molecules are moved across a cell membrane against their concentration gradient, from a low to a high concentration.
When transporting substances from low to high concentration, or when transporting substances too large to pass through the membrane without assistance from a transport protein.
Facilitated diffusion is a type of passive transport in which a substance moves across the cell membrane from high to low concentration. In this situation, the substance moves with the concentration gradient, and with the help of carrier molecules, it is able to make it's way across the membrane smoothly and without the expense of energy. Active transport, on the other hand, is the movement of a substance across the cell membrane from low to high concentration, making the transport a bit more difficult and calling for the use of energy. Transport proteins recognize the substance and allow it to cross through the membrane.