Theodor W Engelmann Illuminated a Filament of Algae with Light That

question 21

Multiple Choice

Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of algae to different wavelengths of light. He added aerobic bacteria and then noted in which areas the bacteria congregated. He noted that the largest groups were found in the areas illuminated by the red and blue light.
-What did Engelmann conclude about the congregation of bacteria in the red and blue areas?

• A) Bacteria released excess carbon dioxide in these areas.
• B) Bacteria congregated in these areas due to an increase in the temperature of the red and blue light.
• C) Bacteria congregated in these areas because these areas had the most oxygen being released.
• D) Bacteria are attracted to red and blue light and thus these wavelengths are more reactive than other wavelengths.
• E) Bacteria congregated in these areas due to an increase in the temperature caused by an increase in photosynthesis.

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Definitions:

Interpersonal Conflict

A situation where two or more individuals in an organization disagree or clash due to differences in opinions, values, or interests.

Assertive Behaviour

The quality of being self-assured and confident without being aggressive, in expressing ones' rights, needs, and desires.

Openness

The quality of being receptive to new ideas, experiences, and information, or the state of being open and transparent.

Status

The relative social, professional, or other standing of an entity, often in comparison to others within a given context.