Theodor W Engelmann Illuminated a Filament of Algae with Light That

question 35

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

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Definitions:

Economic Profit

The delta between aggregate sales and all-inclusive costs, factoring in both overt and covert costs.

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The personal funds contributed by the owners or shareholders to a business for startup or expansion, representing equity in the firm.

Operating Profit

The profit earned from a firm's normal core business operations.

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refers to the compensation provided to an assistant, which can vary depending on the field of work, job responsibilities, and experience level.