Multiple Choice
Which of the following characteristics is most associated with Campylobacter jejuni among members of the bacterial world?
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1. Introduction to Microbiology
Members of the Bacterial World
Multiple Choice
Which of the following may be produced by pathogenic bacteria?
A
Antibodies
B
Chlorophyll
C
Cellulose
D
Exotoxins
Verified step by step guidance1
Step 1: Understand the question is asking about substances produced by pathogenic bacteria. Pathogenic bacteria are those that cause disease in a host.
Step 2: Review each option to determine if it is typically produced by bacteria, especially pathogenic ones. Antibodies are produced by the immune system of animals, not bacteria.
Step 3: Chlorophyll is a pigment involved in photosynthesis, found in plants and some bacteria, but not typically in pathogenic bacteria.
Step 4: Cellulose is a structural polysaccharide found in plant cell walls and some bacteria, but it is not commonly associated with pathogenic bacteria or their virulence factors.
Step 5: Exotoxins are toxic proteins secreted by certain pathogenic bacteria that contribute to disease symptoms. Therefore, exotoxins are substances produced by pathogenic bacteria.
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