10 Questions
Which of the following is a characteristic of Enterobacteriaceae?
They are Gram-negative rods found in the intestinal tract of humans and animals
Which of the following genera is a part of the Enterobacteriaceae family?
Salmonella
Which of the following Enterobacteriaceae genera are part of the lactose fermenters group?
Escherichia
Which of the following Enterobacteriaceae genera are regularly pathogenic for humans?
Klebsiella
What is the common antigen shared by the genera of Enterobacteriaceae?
Enterobacterial common antigen
Which of the following Enterobacteriaceae genera is regularly pathogenic for humans?
Salmonella
Which of the following Enterobacteriaceae genera is part of the lactose fermenters group?
Escherichia
Which of the following is a characteristic of Enterobacteriaceae?
They share a common antigen (enterobacterial common antigen)
Which of the following genera is a part of the Enterobacteriaceae family?
Escherichia
Which of the following Enterobacteriaceae genera is a lactose non-fermenter?
Klebsiella
Study Notes
Enterobacteriaceae Characteristics
- Enterobacteriaceae are characterized by being gram-negative, rod-shaped, and facilitated by oxidative metabolism.
- They are facultative anaerobes, meaning they can thrive in both aerobic and anaerobic environments.
Genera of Enterobacteriaceae
- Examples of genera that are part of the Enterobacteriaceae family include Escherichia, Salmonella, Shigella, Klebsiella, Proteus, and Enterobacter.
Lactose Fermenters
- Genera of Enterobacteriaceae that are part of the lactose fermenters group include Escherichia and Klebsiella.
Pathogenic Genera
- Genera of Enterobacteriaceae that are regularly pathogenic for humans include Escherichia, Salmonella, and Shigella.
Common Antigen
- The common antigen shared by the genera of Enterobacteriaceae is the lipopolysaccharide (LPS) O antigen.
Non-Lactose Fermenters
- Examples of Enterobacteriaceae genera that are lactose non-fermenters include Salmonella and Shigella.
Test your knowledge of Enterobacteriaceae, a diverse group of Gram-negative rods commonly found in the intestinal tract of humans and animals. This quiz covers genera such as Escherichia, Shigella, Salmonella, Klebsiella, Proteus, and Enterobacter, among others.
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