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关于接种时应注意的事项全部正确的为()①接种室要消毒②无菌操作③接种时可

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关于接种时应注意的事项全部正确的为()

①接种室要消毒②无菌操作③接种时可以谈话④外植体如茎段、茎尖可随机放人培养基⑤接种时要防止交叉污染⑥接种完立刻盖好瓶口

  • A.①②③④
  • B.①②③④⑤⑥
  • C.③④⑤⑥
  • D.①②⑤⑥

参考答案:

D

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