The following substances are used in Gram staining except
A: iodine
B: crystal violet
C: alcohol
D: safranin
E: congo red
A: iodine
B: crystal violet
C: alcohol
D: safranin
E: congo red
举一反三
- The sequence of reagents used in Gram staining is () A: Safranin solution → iodine solution → alcohol →<br/>crystal violet B: crystal violet → alcohol → iodine solution → Safranin<br/>solution C: Crystal violet → iodine solution → alcohol → Safranin<br/>solution D: Safranin solution → alcohol → crystal violet → iodine<br/>solution E: Safranin solution → crystal violet → iodine solution →<br/>alcohol
- Which of the following staining solution are used in the bacterial Gram staining method？ ( ) A: Crystal violet B: Iodine solution C: Ethanol D: Safranin
- The reagents used in bacterial Gram staining are ( ). A: Crystal violet B: Iodine solution C: Ethanol D: Safranine
- Gram staining involves the following steps like: ( ) A: Make a slide of bacteria sample to be stained. B: Add the secondary stain safranin to the slide and incubate for 1 minute. C: Rinse sample or slide with acetone or alcohol for 30 seconds and rinse with a gentle stream of water. D: Add the primary stain (crystal violet) to the sample or slide and incubate for 1 minute.
- Gram staining is a method of staining used to distinguish: ( ) A: bacterial types B: bacterial species C: bacterial features D: bacterial sizes