Histological samples prepared with the ________ stain may reveal the presence of abnormal cells
A) acid-fast
B) Gram
C) simple safranin
D) methylene blue
E) hematoxylin and eosin (HE)
E
Bloom's Taxonomy: Comprehension
Section: Staining
Learning Outcome: 4.15
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Imagine that a person breathes in a potentially pathogenic bacterium. What defenses will the bacterium encounter as it travels through the human body? Select all correct choices
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What is most likely to happen if the guppy population plotted in Figure 5 is transferred into a habitat with aggressive predators?
A. The population coloration will be brighter. B. The population coloration will be drabber. C. The population will go extinct. D. Either B or C is likely to happen. E. Either A or C is likely to happen.
Insect hormones and their receptors _____
A) act independently of each other B) are a focus in pest control research C) utilize cell-surface receptors only D) are active independently of environmental cues