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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 ________.

Definitions:

Separate Sphere Ideology

A 19th-century belief system positing that men and women have distinct roles, with men belonging to the public, work sphere, and women to the private, domestic sphere.

Middle Class

A socioeconomic group lying between the working class and upper class, often characterized by stable income levels, home ownership, and engagement in professional and managerial jobs.

Harvard Definition

Typically refers to standards or definitions provided by Harvard University or its faculties, often seen as authoritative in their respective fields.

Coma

A deep state of prolonged unconsciousness in which a person cannot be awakened, fails to respond to painful stimuli, light, or sound and lacks a normal wake-sleep cycle.