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1 (also grade especially in North American English)the degree to which the ground slopes, especially on a road or railwaya steep gradienta hill with a gradient of 1 in 4 (or 25%)2 (technical)the rate at which temperature, pressure, etc. changes, or increases and decreases, between one region and another
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Is osmosis form of active transport or passive transport?
It is a type of passive diffusion, as the water travels along a concentration gradiant. As opposed to active transport, where the substances can pass against a concentration gradiant.
An exercise bicycle that is stationary and can simulate differences in terrain and gradiant?
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How do you work out the gradiant on a ramp?
Divide the height of the ramp by the length of the ramp (rise over run).
What is a concentration gradiant?
A concentration gradiant is a common term used in biology to signify that one side of a membrane contains a significantly higher amount of ions/atoms/molecules than the other side. This esentially means that in a concentration gradient you have stored energy. This is a common term used when talking about the formation of ATP.
What is pseudohearts?
They are fake hearts...mainly found in earthworms, these pump blood around the body to maintain a high concentration gradiant.
Why do rivers speed up even when the radiant decreases?
There is less friction from the bed and banks of the river downstream (where the gradiant decreases) so the velocity increases.
Is osmosis trans active?
Osmosis is a passive form of diffusion as it travels downa concentration gradiant, as opposed to active transport; a type of diffusion that can go against a conc. grad.
Why is the anatomical arrangement of the loop of henle so important?
Because it allows the creation of an osmolar gradiant between the outermost and the innermost parts of the renal medulla. This process is important in the dilution of urine.
What is osmosis in detail?
Osmosis is the movement of water across a partially permeable membrane down the concentration gradiant from an area of high concentration to an area of low concentration until an equilibrium is achieved.
When a graph of two variables is a straight line passing through the origin the variables are said to be to each other?
It means that they are directly proportional to each other. As one variable increases, the other variable increases/decreases at a constant rate. The constant rate is determined by the gradiant of the straight line.
What is the density of water vapor in relation to the air's density?
I sugest you look up "steam tables". Since convection currents are caused solely by diferences in density ... yes, it is assumed that tempreture diferences CAUSED the density gradiant - but that is not always true.
What is the general equation of the straight line?
A straight line will have a constant gradiant, so its change in height over time will be some multiple of x. We'll call this bx. The other point of consideration is where the line crosses the y axis (x=0). We'll call this point a. So the equation of a straight line can be given as y=a+bx
