Will Is a Graduate Student Working in a Microbiology Lab

question 38

Essay

Will is a graduate student working in a microbiology lab. He is given the task of characterizing a newly discovered nitrogen fixing bacterium. What type of tests or observations will help him determine whether it is a member of the Cyanobacteria, alphaproteobacteria, or gammaproteobacteria?

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Definitions:

Balance Receptor

Sensory structures in the inner ear, specifically the vestibular system, that help regulate balance and spatial orientation.

Sensory Adaptation

The process by which sensory receptors become less sensitive to constant stimuli, allowing focus on changes in the environment.

Ruffini End Organs

Sensory receptors located in the skin and joints that detect stretch, pressure, and heat, contributing to the sense of body position and motion.

Mechanoreceptors

Specialized sensory receptors responsible for sensing mechanical pressure or distortion, playing a crucial role in touch and sound perception.