12.炭疽桿菌在egg yolk agar(EYA)上形成的菌落周圍有不透明環,顯示其具有下列何種特
性?
(A)lecithinase
(B)lipase
(C)protease
(D)urease
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統計: A(1489), B(137), C(103), D(41), E(0) #776641
統計: A(1489), B(137), C(103), D(41), E(0) #776641
詳解 (共 3 筆)
#1051674

Figure: Bacillus cereus on egg yolk agar. Note the precipitation around the streak of bacteria, which shows that they are positive for lecithinase.
Egg yolk contains a lot of lecithin.
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