参考答案和解析
正确答案:革兰染色为1884年由丹麦细菌学家C Gram建立的细菌染色法是目前应用最广泛的细菌学初步诊断的方法。其对细菌的染色步骤大体为结晶紫初染、碘液媒染、95%乙醇脱色和复红复染。凡未被95%乙醇脱色菌体着紫色者称G’菌否则被染成红色者为G一菌。
革兰染色,为1884年由丹麦细菌学家C Gram建立的细菌染色法,是目前应用最广泛的细菌学初步诊断的方法。其对细菌的染色步骤大体为结晶紫初染、碘液媒染、95%乙醇脱色和复红复染。凡未被95%乙醇脱色,菌体着紫色者,称G’菌,否则被染成红色者,为G一菌。
更多“Gram stain ”相关问题
  • 第1题:

    Gram阳性菌染色最基本用的碱性染料是 ( )

    A、碱性品红

    B、酸性品红

    C、结晶紫

    D、中性红

    E、亚甲蓝


    参考答案:C

  • 第2题:

    Passage One
    Table top magic requires no secret formula.Even the simplest meal will be received with enthusiasm if the table accessories are creative and colorful.No matter what type of dinnerware you own,you can enhance its beauty with a variety of attractive table linens.
    When selecting a supply of tablecloths,place mats and napkins,choose easy—care or permanent—press fabrics because these fabrics will reduce your workload when washday rolls around.Another consideration is the suitability of your linens for your dining style or the types of entertaining you do.The shape of your table will also dictate the kind of tablecloth you purchase.Circular or rounded tables look best covered with round or oval tablecloths.Square—cornered tables require squares or rectangles.
    Finally,your table linens should?complement?your dinnerware.An elegant table setting requires an elegant tablecloth.A setting of stoneware looks best with heavy of colorful fabrics.
    But sure to take all the necessary measurements before you start shopping for fabric of your choice.It could be embarrassing if your tablecloths are not long enough to cover the tables.It is equally distressing if your tablecloth is so long that your guests have to watch where they walk.

    Tile author suggests that you purchase table linens made of______.

    A.bleacsafe fabric
    B.preshrunk cloth
    C.easy—care material
    D.stain—resistant cotton

    答案:C
    解析:
    暂无解析

  • 第3题:

    N-gram可用于分词、特征获取还是语义消歧?


    语用信息

  • 第4题:

    Which is the right way of listing salt content of 500 grams of bread?__________

    A.sodium: 32 gram
    B.sodium: 320 milligrams
    C.sodium: 3.2 gram
    D.sodium: 320 gram

    答案:B
    解析:
    文章第五段开头“Each gram of salt contains four hundred milligrams of sodium.which ishow foods may list their salt content.”说明,“每克盐中含有400毫克的钠,这就是测量食物含盐量的标准。”故正确答案为B。

  • 第5题:

    下列词根中表示send 的是()。

    A.-stle-

    B.-gram-

    C.-taph-

    D.-dem-


    A

  • 第6题:

    有关n-gram模型错误的是哪个?

    A.语言模型可用于评估某些词汇是否能组成一个合理的句子。

    B.n-gram是一种常用的语言模型,可以通过在一个词前面的n个词确定其出现的可能性。

    C.语言模型不需要训练就能使用。

    D.n-gram语言模型的n取值越大效果一般越好。


    语言模型不需要训练就能使用。