Uric acid is _ in water.
Correct answer: C. Least
- A. Highly
- B. Less
- C. Least
- D. Insoluble
Explanation
Uric acid is the least soluble in water among nitrogenous wastes, which is an adaptation for organisms that need to conserve water, such as birds and reptiles. This low solubility allows them to excrete waste with minimal water loss. Option A ('Highly') is incorrect because uric acid does not dissolve well in water. Option B ('Less') is misleading as it suggests higher solubility than is accurate. Option D ('Insoluble') is incorrect because uric acid does dissolve, albeit minimally, in water.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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