A Microbiologist Discovers a Streptococcus Bacterium Living on a Human

question 26

Essay

A microbiologist discovers a Streptococcus bacterium living on a human scalp.She wants to know whether the bacterium she found is the same species as a Streptococcus bacterium she isolated from the throat of the same human.Explain how she could determine whether these bacteria are the same species.

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Definitions:

Testosterone Level

The concentration of testosterone, a steroid hormone responsible for the development of male secondary sexual characteristics, in the bloodstream.

Neurotransmitters

Chemicals in the nervous system that transmit signals across a synapse from one neuron to another, playing a key role in managing bodily and mental functions.

Personality

Personality encompasses the set of emotional, attitudinal, and behavioral response patterns of an individual.

2D:4D Ratio

The length of someone’s index finger divided by the length of their ring (third) finger; a low ratio is linked to a high testosterone level.