MIC 102 MIDTERM 1 questions with correct answers
Gram Negative Bacteria CORRECT ANSWER - inner membrane - lipoproteins on both sides of cell wall - thin cell wall= peptidoglycan - outer membrane - lipopolysaccharides (LPS)= located in the outer membrane - S-layer - Capsule Gram Positive Bacteria CORRECT ANSWER - inner membrane - thick cell wall= composed of lipoteichoic acid and peptidoglycan -Teichoic acid wall - S-layer - Capsule Lipopolysaccharide CORRECT ANSWER - found only in Gram negative - on the surface of the outer membrane , endotoxin O-polysaccharides, which are recognized by the immune system and varies between species. Used to ID by O-antigen type Consists of: 1. O-antigen repeating subunits 2. core polysaccharide 3. Lipid A
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