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A Student Was Given a Stained Smear to Observe

question 6

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A student was given a stained smear to observe.Upon observation, the student noted rod-shaped bacteria that were clear and unstained against a darker background.What sort of stain was performed on this slide?


Definitions:

Difference Threshold

The smallest detectable difference between two stimuli or the minimum change in a stimulus that can be correctly perceived as differing from a reference stimulus.

Just Noticeable Difference

The minimum difference in stimulus intensity that a specific sense (like sight, hearing, taste, touch, or smell) can detect.

Optic Nerve

The nerve that transmits sensory information from the eye to the brain.

Occipital Lobe

is the region of the brain located at the back of the head, responsible for processing visual information.

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