A:该实验能够证明DNA是遗传物质
B:侵染所需的原料、ATP、酶、场所等条件均由细菌提供
C:为确认何种物质注入细菌体内,可用32P、35S共同标记一组噬菌体的DNA和蛋白质
D:连续培养噬菌体n代,则含母链的DNA应占子代DNA总数的1/2n-1
When he came back, his _________ look on his face, he failed in the interview.