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【单选题】
贴近人物面部的头发颜色较（ ）。A.
浅
B.
亮
C.
轻
D.
重
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反馈参考答案：
举一反三
【单选题】The order of stains in Gram-staining procedure is
A.
Crystal violet, Iodine solution, Alcohol, Saffranine
B.
Iodine solution, Crystal Violet, Saffranine, Alcohol
C.
Alcohol, Crystal Violet, Iodine solution, Saffranine
D.
None of these
【简答题】After Gram staining, the Gram-negative bacteria are in ( ) .
【多选题】以下对我国人力资源现状描述准确的有( )。
A.
数量优势明显但整体素质偏低
B.
拥有长久的人口红利优势可挖掘
C.
各类专业人才严重缺乏
D.
人才后续力量不足
E.
高科技人才供需缺口依旧很大
【单选题】Which of the following about Gram staining is most correct:
A.
Heating is done to promote entry of stain into cell wall of both Gram +ve and –ve bacteria
B.
If observed staining technique and microscopy before decolorization, both Gram +ve and –ve bacteria appear same
C.
Teichoic acid is present in the cell wall of Gram–ve bacteria
D.
Results must be observed under electron microscope
【简答题】Pair the steps and solutions used in Gram staining.
【单选题】What is the reason for decolourisation in gramnegative bacilli in Gram staining?
A.
Due to the two dyes used in staining
B.
Thin peptidoglycan layer
C.
Cell membrane integrity
D.
Teichoic acid
【单选题】In the Gram staining, after decolorizing with alcohol the Gram (-) cells stain _________, while Gram (+)cells stain ___________.
A.
blue:red
B.
red:blue
C.
colorless:blue
D.
blue:colorles
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