CD4 and CD8 Are ________

question 69

Multiple Choice

CD4 and CD8 are ________.

• A) proteins secreted by antigen-presenting cells
• B) receptors present on the surface of natural killer cells
• C) molecules present on the surface of T cells where they interact with major histocompatibility (MHC) molecules
• D) molecules on the surface of antigen-presenting cells where they enhance B cell activity

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Definitions:

Professional Bureaucracy

An organizational structure that relies heavily on the expertise and professionalism of its members rather than on strict hierarchies or rules.

Horizontal Specialization

A division of labor where tasks are divided among employees at the same level within an organization, based on skills or expertise.

Mechanistic Structure

A mechanistic structure in an organization is characterized by rigid hierarchy, high levels of formalization, and centralized decision making.

Organic Structure

A flexible and decentralized organizational structure, characterized by low levels of formalization and high levels of employee autonomy, aimed at fostering innovation and adaptability.