Which Organism Is Difficult to Culture Because It Lacks a Cell

question 2

Multiple Choice

Which organism is difficult to culture because it lacks a cell wall?

• A) Streptococcus pyogenes
• B) Mycoplasma pneumoniae
• C) Rickettsia rickettsii
• D) Helicobacter pylori

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Definitions:

Alveoli

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place, crucial for breathing.

Gas Exchange

The process by which oxygen is taken in and carbon dioxide is expelled out of the body, primarily occurring in the lungs.

Tidal Volume

The amount of air that is inhaled or exhaled during a normal breath.

Carbon Monoxide Detector

A device that detects the presence of the carbon monoxide gas in order to prevent carbon monoxide poisoning.