Packet 4: Bonus 8

The “H&E” form of this technique, which uses hematoxylin and eosin, is the gold standard for studying tissues in histology. For 10 points each:
[10h] Name this technique whose “acid-fast” type is used to diagnose Mycobacterium infections such as tuberculosis.
ANSWER: staining [accept H&E staining; or acid-fast staining]
[10m] This type of stain detects whether crystal violet is retained by the bacterial cell wall upon washing with ethanol. This stain is used to classify bacteria as this word “-positive” or “-negative.”
ANSWER: Gram staining [accept Gram-positive or Gram-negative]
[10e] This biologist developed a method of staining neurons using silver. This Italian also names an organelle that serves as the “packaging center” of the cell, his namesake apparatus.
ANSWER: Camillo Golgi [accept Golgi staining; accept Golgi apparatus or complex or bodies]
<Biology — June Yin> | SHOW-ME Four Packet 4

HeardPPBE %M %H %
2517.60100%56%20%

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