【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
【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( )。
【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
【单选题】栏板和女儿墙设计高度大于1.6m或厚度大于120mm,应分别按()计算。
【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
【单选题】In the Gram staining, after decolorizing with alcohol the Gram (-) cells stain _________, while Gram (+)cells stain ___________.