Biology, 10.10.2019 12:20 bigmess559
How is the circulatory system similar to a road-and-highway system?
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Give the biological term for: structures that display characteristics of living organisms only within living cells
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The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
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Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called
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Biology, 22.06.2019 06:50
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).
Answers: 1
How is the circulatory system similar to a road-and-highway system?...
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