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If you open an account and deposit $100 in a bank, then withdraw $60 the following day, the result of all this high finance is a balance of $40 in your account.
You could say that some money has moved into the bank, some out, but on balance the movement was inward. That movement is net movement.
Net movement = (movement in one direction) - (movement in the opposite direction)
It is much the same with diffusion, whether in and out of a cell or anywhere else.
All atoms, ions, and molecules are continually on the move. (The higher the temperature, the faster they zip about.) But they are moving randomly in all directions.
The reason diffusion occurs is that the atoms are more crowded in one place (there is a higher concentration there). By random movement and rebounds from collisions, inevitably the atoms become more evenly dispersed about the available space.
During the time that the concentrations in different places are evening up, there is on balance a flow away from the region of higher concentration. But on balance. Some atoms are going the other way, like people battling to get into a city in the late afternoon against the homeward-bound commuters.
What else can I help you with?
How are diffusion and filtration alike?
Both move down concentration gradient through a partially permeable membrane, and both do not require energy. Diffusion involves the movement of particles or solute from an area of high concentration to an area of low concentration. Osmosis is the movement of water from where it is in high concentration to where it is in low concentration.
What term is used to describe how the cell selects what materials enter and leave the cell?
The term is "cellular transport," which refers to the processes by which cells regulate the movement of materials across their membranes. This includes mechanisms such as passive diffusion, active transport, and facilitated diffusion.
What 3 ways can substances enter and leave a cell?
Substances can move in and out of a cell in several ways. Diffusion is when a substance will distribute itself in or out of a cell until the distribution on both sides of the cell is balanced. Active transport is when a cell transports a substance across the cell membrane that would not normally be able to pass through. Osmosis is the movement of water from areas with few dissolved dissolved substances to areas with high dissolved substances.
What is the difference between diffusion and active transport?
Diffusion is the movement of molecules from areas of high concentration to areas of low concentration and active transport is the movement of molecules from an area of low concentration to an area of high concentration
Which term can be used to describe protraction of the scapula?
Abduction Abduction also means "away from the body"
Are diffusion and osmosis the same process?
No osmosis is actually a special term used just for the movement of water across a cell membrane. We don't use that term for anything else. Diffusion is for the movement of other substances but not always involving a cell membrane. For example, scent can diffuse in the air. Science tends to be like this but it is important to use exact terms.
What is the different in osmosis and diffusion?
Diffusion is the transport of materials from a high concentration to an area of low concentration across a gradient.Osmosis is the term used for the diffusion of water.
What diffusion mean?
Where there are two (or more) substances in contact, diffusion happens as particles of one substance move from an area where there are a lot of those particles to an area where there are fewer of those particles. The process can happen in the gas, liquid and solid phase. Note, diffusion is driven by random movement of the particles not by mechanical mixing, the phase of the system will therefore largely determine the rate of diffusion. The term is also used in a more abstract manner to describe spreading of something more widely. The movement of a substance from a region of high concentration into a region of low concentration is called diffusion.
What is the term used to describe the unique rotational movement of venus?
The term of the unique rotational movement of Venus is retrograde
What is the term for movement of particular direction?
Directionality is the term used to describe movement in a particular direction.
What is another term to use instead of used for?
The term "used for" might be replaced by "employed for" or "utilized for."
What is the term used to describe the rate of an object's movement?
The term used to describe the rate of an object's movement is speed or velocity. Velocity is the same as speed but also measures direction.
What is term used to describe the rate of an object's movement?
The term used to describe the rate of an object's movement is speed or velocity. Velocity is the same as speed but also measures direction.
If a chemist wants to study dissfusion should a semipermeable membrane be used?
Diffusion is essentially the movement of solute molecules from a region of higher concentration to a region of lower concentration. A semi permeable membrane need not be used to study this phenomenon
Diffusion and osmosis prefix meaning inside?
The prefix meaning "inside" in both diffusion and osmosis is "intra-." This prefix is used to indicate movement or passage within a structure or system.
What is the term used to describe the rate of an objects the movement?
speed
What is the movement dunes called?
One term used is drifting.
