Why are molecular models important in the understanding of molecules?
Select all that apply.
...
Why are molecular models important in the understanding of molecules?
Select all that apply.
They can offer a perfect visual image of the compound.
They can identify the number of protons and neutrons in the atoms of the bond.
They provide a visual representation of the arrangement of atoms, bonds, and valence electrons
in a molecule.
They provide insight as to how a molecule will interact.
Answers: 1
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The kidney filters potentially toxic substances in the blood, and thus “clears” the blood of those substances. this clearance function is dependent upon and proportional to the diffusion gradient of the substance across filtering capillaries, i.e. if the concentration of the substance is doubled, twice as much will be cleared from each ml of blood that is filtered. suppose that the body produces a constant amount of a substance x per unit of time. the kidneys eliminate substance x at a rate directly proportional to the concentration of the substance and the volume of blood cleared each minute (c): elimination = c × [x], where [x] is the steady-state concentration of substance x. imagine an individual with an initial concentration of x equal to [x]0 who develops kidney disease. her baseline clearance c0 drops to one half of the original (½c0). what is the new steady state concentration of x? (for simplicity, assume that substance x is 100% filtered by the kidney).
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