You Are Given Five Test Tubes, Each Containing an Unknown

question 3

Multiple Choice

You are given five test tubes, each containing an unknown protist, and your task is to read the following description and match these five protists to the correct test tube.
In test tube 1, you observe an organism feeding. Your sketch of the organism looks very similar to Figure 28.1. When light, especially red and blue light, is shone on the tubes, oxygen bubbles accumulate on the inside of test tubes 2 and 3. Chemical analysis of test tube 3 indicates the presence of substantial amounts of silica. Chemical analysis of test tube 2 indicates the presence of a chemical that is toxic to fish and humans. Microscopic analysis of organisms in test tubes 2, 4, and 5 reveals the presence of permanent, membrane-bounded sacs just under the plasma membrane. Microscopic analysis of organisms in test tube 4 reveals the presence of an apicoplast in each. Microscopic analysis of the contents in test tube 5 reveals the presence of one large nucleus and several small nuclei in each organism.

Figure 28.1
-Test tube 2 contains

• A) Paramecium.
• B) Navicula (diatom).
• C) Pfiesteria (dinoflagellate).
• D) Entamoeba.
• E) Plasmodium.

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Definitions:

Acquiring Firm

A company that purchases another company in a merger or acquisition to expand its operations or enter new markets.

Bankruptcy Judge

A judicial officer who presides over court proceedings in bankruptcy cases, making decisions on matters within the bankruptcy law.

Disbursements

Payments made by a business, including operating expenses, dividend payments, and investments in assets.

Trustee

With respect to bonds, an organization that ensures compliance with the conditions set forth in the indenture. With respect to bankruptcy, a person who administers the bankrupt organization to ensure funds are properly handled.