微生物学

简述下列概念的区别: complete medium ;minimal medium

题目

简述下列概念的区别: complete medium ;minimal medium

参考答案和解析
正确答案: 完全培养基是能满足一切营养缺陷型菌株营养要求的培养基。是天然或半合成的培养基。基本培养基仅能满足某野生型菌株生长需要的最低成分培养基。
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相似问题和答案

第1题:

filtration and filtering medium


正确答案:filtration and filtefing medium:过滤、过滤介质过滤系指将固体和液体的混合物强制通过多孔性材料使固体沉积或截留在多孔性材料上使液体通过多孔性材料从而使固体与液体得到分离的操作过程。通常将多孔材料称作过滤介质(filtering medium)或滤材。
filtrationandfiltefingmedium:过滤、过滤介质,过滤系指将固体和液体的混合物强制通过多孔性材料,使固体沉积或截留在多孔性材料上,使液体通过多孔性材料,从而使固体与液体得到分离的操作过程。通常将多孔材料称作过滤介质(filteringmedium)或滤材。

第2题:

AssumethescopedattributeprioritydoesNOTyetexist.Whichtwocreateandsetnewrequest-scopedattributeprioritytothevalue“medium”?()

A.${priority=‘medium’}

B.${requestScope[‘priority’]=‘medium’}

C.<c:setvar=priority”value=”medium”/>

D.<c:setvar=”priority”scope=”request”>medium</C:set>

E.<c:setvar=”priority”value=”medium”scope=”request”/>

F.<c:setproperty=”priority”scope=”request”>medium</c:set>

G.<c:setproperty=”priority”value=”medium”scope=”request”/>


参考答案:D, E

第3题:

 

English has become a communication _______ for people from different countries.

    A.merit B.stream C.enjoyment D.medium


D    (传播)媒介

第4题:

The normal price of a ticket for an adult is $230.

A:ordinary
B:proper
C:fair
D:medium

答案:A
解析:
本句意思:一张成人票的正常价格是230美元。normal意为“正常的‘',与ordinary(正常的,平常的)意思相近。proper适当的,正确的;fair公平的;mediun。中间的,中等的。

第5题:

在华为Quidway系列路由器中,缺省情况下PQ的各队列的默认长度为( )。

A. high-20 medium-40 normal-60 low-80

B. high-20 medium-20 normal-20 low-20

C. high-10 medium-20 normal-40 low-80

D. high-80 medium-60 normal-40 low-20


参考答案:A

第6题:

disperse phase and disperse medium


正确答案:disperse phase and disperse medium:分散相和分散介质被分散的物质称为分散相;连续的介质称为分散介质。
dispersephaseanddispersemedium:分散相和分散介质,被分散的物质称为分散相;连续的介质称为分散介质。

第7题:

AssumethescopedattributeprioritydoesNOTyetexist.Whichtwocreateandsetanewrequest-scopedattributeprioritytothevalue"medium"?()

A.${priority=’medium’}

B.${requestScope[’priority’]=’medium’}

C.<c:setvar="priority"value="medium"/>

D.<c:setvar="priority"scope="request">medium</c:set>

E.<c:setvar="priority"value="medium"scope="request"/>


参考答案:D, E

第8题:

-But then we'll have to accept a Board of Directors chosen by our stockholders. Wouldn't that limit us in many ways? -Certainly. But if you consider the massive capital investment that we'll receive, you'll understand that this could take our company ------ .

:A from being a big firm to being one of the medium-tier players ;

B from being a medium-tier firm to being one of the big players ;

C from being a medium-tier firm to being one of the small players


参考答案:B

第9题:

A means

B method

C medium D measure


正确答案:C

第10题:

M理论是哪三个字的字首字母()

  • A、人(Man)、方法(MethoD.与管理(Management)
  • B、材料(Material)、中庸(Medium)与管理(Management)
  • C、人(Man)、中庸(Medium)与管理(Management)
  • D、人(Man)、中庸(Medium)与财务(Money)

正确答案:C

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