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Multiple Choice
Which of the following is not true of Coxiella burnetii?
A
It is the causative agent of Q fever.
B
It can survive outside a host for extended periods.
C
It is a Gram-negative bacterium.
D
It is a photosynthetic organism.
Verified step by step guidance
1
Understand the characteristics of Coxiella burnetii, a bacterium known for causing Q fever. It is important to note that it is a Gram-negative bacterium, meaning it has a thin peptidoglycan layer and an outer membrane containing lipopolysaccharides.
Recognize that Coxiella burnetii is capable of surviving outside a host for extended periods due to its ability to form spore-like structures, which makes it resilient in harsh environments.
Identify that Coxiella burnetii is not a photosynthetic organism. Photosynthetic organisms are typically plants, algae, and some bacteria that can convert light energy into chemical energy through photosynthesis. Coxiella burnetii does not possess this capability.
Review the process of photosynthesis, which involves the conversion of carbon dioxide and water into glucose and oxygen using sunlight. This process is facilitated by chlorophyll, a pigment found in photosynthetic organisms.
Conclude that the statement 'It is a photosynthetic organism' is not true for Coxiella burnetii, as it lacks the structures and pigments necessary for photosynthesis.