科学家用含有15N的培养基培养大肠杆菌,再用该大肠杆菌培养T2噬菌

科学家用含有15N的培养基培养大肠杆菌,再用该大肠杆菌培养T2噬菌体,待大肠杆菌解体后,15N(  )

A.不出现在T2噬菌体中

B.仅出现在T2噬菌体的DNA

C.出现在T2噬菌体的外壳和DNA

D.仅出现在 T2噬菌体的外壳中

答案

C

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