Advanced Dental Admission Test (ADAT)

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Prepare for the Advanced Dental Admission Test. Study with flashcards and multiple choice questions, with hints and explanations provided for each question. Strengthen your readiness for success!

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What does LPS stand for in relation to gram-negative bacteria?

Long Phylogenic Structure
Layered Protein Structure
Lipopolysaccharide
Lipophilic Protein Segment

The correct answer is: Lipopolysaccharide

The acronym LPS in relation to gram-negative bacteria stands for Lipopolysaccharide. This complex molecule forms an essential component of the outer membrane of gram-negative bacterial cells. Lipopolysaccharides are significant for several reasons; they contribute to the structural integrity of the bacteria, protect them from harsh environmental conditions, and play a crucial role in the immune response. The lipid A component of LPS is known for being an endotoxic factor that can trigger severe immune reactions in humans and other animals, which is particularly relevant in the context of infections caused by gram-negative bacteria. Therefore, understanding LPS is fundamental in the study of microbiology and infectious diseases.