You Are Given Four Test Tubes, Each Containing an Unknown

question 27

Multiple Choice

You are given four test tubes, each containing an unknown protist, and your task is to read the following description and match these four protists to the correct test tube.
When light, especially red and blue light, is shone on the tubes, oxygen bubbles accumulate on the inside of test tubes 1 and 2. Chemical analysis of test tube 1 indicates the presence of a chemical that is toxic to fish and humans. Chemical analysis of test tube 2 indicates the presence of substantial amounts of silica. Microscopic analysis of organisms in test tubes 1, 3, and 4 reveals the presence of permanent, membrane-bounded sacs just under the plasma membrane. Microscopic analysis of organisms in test tube 3 reveals the presence of an apicoplast in each. Microscopic analysis of the contents in test tube 4 reveals the presence of one large nucleus and one small nucleus in each organism.
Test tube 4 contains ________.

• A) Paramecium
• B) Pfiesteria (dinoflagellate)
• C) Entamoeba
• D) Plasmodium

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Definitions:

Employee Turnover

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Turnover

The rate at which employees leave a company and are replaced by new hires over a specific period.

Intentions

The plans or desires an individual has to perform or refrain from specific actions in the future.

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Voluntary actions performed by employees that contribute to organizational well-being and go beyond their explicit job duties.