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What is the process in which a molecule passes from an area of low concentration to an area of high concentration?
Active transport.
Substances naturally (passively) spread out evenly. This means there is a net movement from higher to lower concentrations. The process is diffusion, and no energy input is required.
For a substance to move the other way (up or against the concentration gradient) a supply of energy is required. This process (active transport) will not happen in non-living systems, but cells can supply energy, for example in the form of ATP.
True
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What is the difference between the concentration of a particular molecule in one area and the concentration in an adjacent area?
The concentration gradient is the difference in concentration of a molecule between one area and an adjacent area. This difference creates a gradient that drives the movement of molecules from an area of higher concentration to an area of lower concentration, a process known as diffusion.
What they call the process for a molecule to move from an area of low concentration to high concentration?
Active transport
What type of transport is used to move a molecule from a region of low concentration yo a region of high concentration?
Active transport uses energy to move molecules against their concentration gradient, from an area of low concentration to an area of high concentration. This process requires the use of transport proteins and cellular energy in the form of ATP.
How does ribose diffuse across the membrane?
Ribose is a small molecule that can diffuse across cell membranes through simple diffusion, facilitated by its size and structure. It moves along its concentration gradient from an area of high concentration to an area of low concentration. This process does not require energy from the cell.
What drives Facilitated diffusion?
Facilitated diffusion is a passive process whereby a molecule is "carried" across a semi-permeable membrane by a channel or protein carrier. Like diffusion, this process requires no energy, however, since passive diffusion can drive movement against a concentration gradient it is not really diffusion.
What is the process of the molecule spreading from a area of high concentration to low concentration?
diffusion
What is the process of molecule spreading from the area of high concentration to low concentration?
diffusion
What is the difference between the concentration of a particular molecule in one area and the concentration in an adjacent area?
The concentration gradient is the difference in concentration of a molecule between one area and an adjacent area. This difference creates a gradient that drives the movement of molecules from an area of higher concentration to an area of lower concentration, a process known as diffusion.
What they call the process for a molecule to move from an area of low concentration to high concentration?
Active transport
What is the process of molecule spreading from an area of high concentration to low?
Diffusion describes the spread of molecules through random motion from regions of higher concentration to regions of lower concentration.
What is the difference of osmosis and diffusion?
Osmosis is the movement of water molecules across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration. Diffusion is the movement of particles from an area of high concentration to an area of low concentration. Osmosis specifically involves the movement of water molecules, while diffusion can involve any type of molecule.
What type of transport is used to move a molecule from a region of low concentration yo a region of high concentration?
Active transport uses energy to move molecules against their concentration gradient, from an area of low concentration to an area of high concentration. This process requires the use of transport proteins and cellular energy in the form of ATP.
What is the process of water from an area of low solute concentration to an area of high solute concentration?
Osmosis is the process of water moving from an area of low solute concentration to an area of high solute concentration.
What is the process water moving from an area of low solute concentration to an area of high solute concentration?
Osmosis is the process of water moving from an area of low solute concentration to an area of high solute concentration.
What is the process of water from an area of low solute concentration to an high solute of high concentration?
Osmosis is the process of water moving from an area of low solute concentration to an area of high solute concentration.
Is the movement of particles from an area of low concentration to high concentration an active or passive process?
The movement of particles from an area of low concentration to high concentration is an active process.
What is the process that occurs when molecules move from an area of low concentration to an area of high concentration, against the concentration gradient?
The process that occurs when molecules move from an area of low concentration to an area of high concentration, against the concentration gradient, is called active transport. This process requires energy to pump molecules across the cell membrane.
