Using a Macrophage‐like Cell Line, Researchers Infected One Set of Petri

question 19

Multiple Choice

Using a macrophage‐like cell line, researchers infected one set of petri dishes with wild‐type Listeria, and, as anegative control, infected another set with a Listeria mutant that was unable to enter cells. At specific time points, the cells were fixed and prepared for electron microscopy. Two hours after infection, they observed that the wild‐type Listeria in the cytoplasmwere surrounded by ______________.

• A)a cloud of tubulin
• B)a cloud of actin
• C)a cloud of keratin
• D)agrowth cone
• E)comet tails of actin filaments

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Definitions:

NLRB Representation Election

An NLRB representation election is a process overseen by the National Labor Relations Board in which employees vote to decide whether they want to be represented by a labor union.

Employer Campaigning

Activities undertaken by employers to influence their workers' decisions regarding union organization or labor agreements.

NLRA

Stands for the National Labor Relations Act, a foundational statute in United States labor law that protects the rights of employees to organize and to bargain collectively with their employers.

Legal Tactic

Strategies employed within the legal framework to accomplish specific objectives, often used in negotiations, litigation, or regulatory compliance.