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What is the process by which any substance other than water moves from an area of high to low concentration?
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What is the difference between facilitated diffusion with the help of a carrier protein and active transport with the help of the 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.
What is the difference between dose and concentration?
Concentration is a measure of the amount of dissolved substance contained per unit of volume. The dose is how much of that substance you take. example if you drink one glass(dose) of a substance that has 25% (concentration) of a poisonous substance in it and the other 75% water you will be less poisoned than if you were to drink the same amount in a glass that had say a 50-50% concentration.
The presence of which kind of molecules determines the concentration of other substance in the body?
Water
Which is correct regarding diffusion?
It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration
How can you change concentration?
To increase the concentration of a solution, you can decrease the amount of solvent by boiling off, or by evaporation, or you can simply add more solute. Conversely, to decrease the concentration, you can add more solvent.
What determines in which direction carbon dioxide and oxygen will diffuse in the lungs and tissues?
Diffusion, whether of gases or some other substance, is always dependent on a diffusion gradient. Diffusion always occurs from an area of high [H] concentration to an area of low [L] concentration.In the case of the lungs:oxygen moves from a [H] concentration in the lungs/alveoli to a [L] concentration in the bloodcarbon dioxide moves from [H] concentration in the blood to a [L] concentration in the lungs/alveoliWith tissues, the situation is much the same:oxygen moves from a [H] concentration in the blood to a [L] concentration in the tissuescarbon dioxide moves from a [H] concentration in the tissues to a [L] concentration in the blood
The movement of water from an high concentration to an area of low concentration is called?
The movement of WATER from a high concentration area to a area of low concentration is called osmosis, but the the movement of MOLECULES from a high concentration area to an area of low concentration (like perfume when you spray from a high place) causes it to diffuse.
What is the difference between facilitated diffusion with the help of carrier protein and active transport with the help of 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.
What is the difference between facilitated diffusion with the help of a carrier protein and active transport with the help of 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.
What is the difference between facilitated diffusion with the help of a carrier protein and active transport with the help of a transport transport?
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.
What is the difference between facilitated diffusion with the help of a carrier protein and active transport with the help of the 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.
What is the difference between dose and concentration?
Concentration is a measure of the amount of dissolved substance contained per unit of volume. The dose is how much of that substance you take. example if you drink one glass(dose) of a substance that has 25% (concentration) of a poisonous substance in it and the other 75% water you will be less poisoned than if you were to drink the same amount in a glass that had say a 50-50% concentration.
The presence of which kind of molecules determines the concentration of other substance in the body?
Water
Which is correct regarding diffusion?
It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration
What process - movement of water across a selectively permeable membrane from an area of high water concentration to an area of low concentration?
Osmosis is the process by which water moves across a selectively permeable membrane.
What is the process of moving particles across the plasma membrane of a cell by diffusion?
Known as diffusion, in which a higher concentration of a substance passes across a semi permeable membrane to a lower concentration until equilibrium is reached. The other side of the coin is osmosis, in which fluid is drawn towards a regeon of higher concentration of a substance until equilibrium is reached. eg! A teabag. The staining of the water around the teabag is diffusion, and the wetting ( saturation ) Of the leaves is osmosis. Both across the semi permeable membrane of the bag ( Cell ).
What is the main way molecules move?
Molecules move by osmosis, diffusion, and active transport.OSMOSISOsmosis moves water from an area of high concentration to an area of lower concentraion.ACTIVE TRANSPORTActive transport moves sodium, calcium, and potassium from an area of low concentration to an area of higher concentration using energy.DIFFUSIONDiffusion moves other molecules from high to low concentraion.
