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【多选题】
将胡萝卜韧皮部细胞培养成幼苗时,下列条件需要的是A.
具有完整细胞核的细胞
B.
一定的营养物质
C.
激素
D.
离体状态
E.
导入外源基因
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A.
were not, could have climbed
B.
were not, could climb
C.
had not been , could have climbed
D.
had not been, could climb
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A.
just have had
B.
have just had
C.
just had
D.
had just had
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A.
just had
B.
have just had
C.
just have had
D.
had just had
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A.
climbed
B.
are climbing
C.
were climbing
D.
have climbed
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