What kind of evidence has recently made it necessary to assign the prokaryotes to either of two different domains, rather than assigning all prokaryotes to the same kingdom?

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#Question id: 12070

#7. System Physiology – Animal

A 26-year-old man develops glomerulonephritis, and his GFR decreases by 50% and remains at that level. For which of the following substances would you expect to find the greatest increase in plasma concentration?

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#Question id: 12071

#7. System Physiology – Animal

The most serious hypokalemia would occur in which of the following conditions?

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#Question id: 12072

#7. System Physiology – Animal

If the average hydrostatic pressure in the glomerular capillaries is 50 mm Hg, the hydrostatic pressure in the Bowman’s space is 12 mm Hg, the average colloid osmotic pressure in the glomerular capillaries is 30 mm Hg, and there is no protein in the glomerular ultrafiltrate, what is the net pressure driving glomerular filtration?

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#Question id: 12074

#7. System Physiology – Animal

Which of the following tends to increase potassium secretion by the cortical collecting tubule?

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#Question id: 12076

#7. System Physiology – Animal

Furosemide (Lasix) is a diuretic that also produces natriuresis. Which of the following is an undesirable side effect of furosemide due to its site of action on the renal tubule?

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#Question id: 12099

#10. Ecological Principles

According to the competitive exclusion principle, two species cannot continue to occupy the same