Using Phase Contrast Microscopy on a Wet Mount of Live

question 76

Multiple Choice

Using phase contrast microscopy on a wet mount of live cells, you observe motile bacilli moving rapidly and randomly through the field of view, changing directions after a brief tumble and taking off in a different direction. These cells are exhibiting ________ motility.

• A) twitching
• B) swimming
• C) gliding
• D) twitching or gliding

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Definitions:

Communications Subsystem

The component within an organization or system that is responsible for the exchange and processing of information.

Cultural Gatekeeper

An individual or institution that controls access to cultural products and influences the spread and popularity of cultural trends.

Cultural Selection

The process by which certain cultural practices, ideas, or innovations are adopted and perpetuated within a society, often leading to cultural evolution.

Cultural Gatekeepers

Individuals or institutions that control access to cultural information and materials, influencing what is considered acceptable or popular.