Some Protozoans Have Special Organelles Called Contractile Vacuoles That Continually

question 26

Multiple Choice

Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles tells you that the environment ________.

• A)is isotonic to the protozoan
• B)is hypotonic to the protozoan
• C)is hypertonic to the protozoan
• D)contains a higher concentration of solutes than the protozoan

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Definitions:

Stress Levels

The intensity of stress experienced by an individual, which can affect mental and physical health.

Optimistic Attitude

The tendency to maintain a hopeful and positive outlook on life despite challenges.

Type A

Friedman and Rosenman’s term for competitive, hard-driving, impatient, verbally aggressive, and anger-prone people.

Friedman

Refers to an economist, often Milton Friedman, known for his work on monetarism, free-market capitalism, and advocating for less government intervention in the economy.