The energy investment in synthesizing uric acid to eliminate nitrogenous wastes is balanced by which of the following?Multiple choice question.The energy saved by not having to excrete uric acid as often as an animal would excrete other nitrogenous wastesThe lack of toxicity of uric acid when used as a nitrogenous wasteThe energy saved by conserving water when excreting uric acid
Question
The energy investment in synthesizing uric acid to eliminate nitrogenous wastes is balanced by which of the following?Multiple choice question.The energy saved by not having to excrete uric acid as often as an animal would excrete other nitrogenous wastesThe lack of toxicity of uric acid when used as a nitrogenous wasteThe energy saved by conserving water when excreting uric acid
Solution
The energy investment in synthesizing uric acid to eliminate nitrogenous wastes is balanced by "The energy saved by conserving water when excreting uric acid". This is because uric acid is less toxic and requires less water to excrete compared to other nitrogenous wastes. Therefore, animals that excrete uric acid can conserve water, which is particularly beneficial in arid environments. This water conservation results in energy savings, which can offset the energy cost of synthesizing uric acid.
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