Why Is It Not Possible to Culture Treponema Pallidum in Vitro

question 42

Multiple Choice

Why is it not possible to culture Treponema pallidum in vitro?

• A) The organism is an obligate intracellular parasite AND the organism is a psychrophilic anaerobe.
• B) The organism is an obligate halophile AND the organism is highly motile and requires actin from host cells to make tails for movement.
• C) The organism lacks mitochondria and obtains all of its essential macromolecules from the host AND the organism is Gram-negative.
• D) The organism is highly motile and requires actin from host cells to make tails for movement AND the organism is Gram-negative.
• E) The organism obtains most of its essential macromolecules from the host AND the organism is an obligate intracellular parasite.

---

Definitions:

Planning Process

A systematic approach to defining goals, developing strategies, and outlining tasks and schedules to achieve the desired objectives.

Monitoring Performance

The process of observing and measuring an activity or tasks to ensure that they are being accomplished as planned and correcting any deviations.

Management By Objectives (MBO)

A performance management approach where managers and employees work together to set, record, and monitor goals for a specific period, aiming for organizational alignment and performance enhancement.

Peter Drucker

A prominent Austrian-born American management consultant, educator, and author, known for his influential writings on business management practices and principles.