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MIP 300 Module 1 Questions with Verified Answers | A+ Guaranteed
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MIP 300 Module 1 Questions with VerifiedAnswers | A+ Guaranteed
Thick layer of peptidoglycan; teichoic acids linked to peptidoglycan, extend from the
surface of the cell wall, antigenic;
lipoteichoic acids bound to plasma membrane and span the peptidoglycan layer and
extend from the surface of the cell wall - ✔✔gram-positive cell wall surface
thin layer of peptidoglycan; outer membrane composed of lipid bilayer (inner -
phospholipids; outer - lipopolysaccharides);
periplasmic space exists between the plasma membrane and outer membrane;
lipoproteins;
porin proteins form channels allowing entry of small molecules - ✔✔gram-negative
cell wall structure
Lipopolysaccharide consists of three regions:
1.
2.
3. - ✔✔1. lipid A
2. core polysaccharide
3. O polysaccharide
Lipid A
1. composed of _____
2. imbedded in ____ of the ____
3. released upon ____ of the bacterial cell
, 4. ____ to host - _____ - ✔✔1. two glucosamine sugar residues
2. outer layer, outer membrane
3. lysis
4. toxic - endotoxin
Core polysaccharide
1. attached to ___
2. composed of ____
3 provides ____ - ✔✔1. lipid A
2. unusual sugars
3. structural support
O polysaccharide
1. attached to ____
2. extends ____ from cell surface
3. _____
3a. stimulates ____ production
3b. used to ____ bacteria
3c. helps bacterium to ____ - ✔✔1. core pollysaccharide
2. outward
3. antigenic
3a. antibody
3b. serotype
3c. elude host antibodies
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