October 29, 2009
"また、ゴキブリは余った窒素を体内に貯蔵することも知られている。窒素はタンパク質、アミノ酸、およびDNAを作るのに必要な、生命に欠かせない元素の1つだが、ゴキブリはこれを尿酸の形で小分けにして体内に蓄えている。[ゴキブリではアンモニアが微量排泄されるが、尿酸は排泄されずに脂肪体内に蓄積され、窒素源の欠乏した状態に置かれると、アンモニア→アミノ酸に転用、再利用する。従って、ゴキブリは窒素を全く含まない餌上でも、半年近く生存できる]"

— ゴキブリは排尿しない：その優れた代謝系が明らかに | WIRED VISION (via otsune)

9:08am  |   URL: http://tmblr.co/ZvMCYyDXb7a
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