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Endotoxins (MARK ALL THAT APPLY) Are part of the gram-negative cell wall. Are molecules that bind nerve cells. Cause a s

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Endotoxins (MARK ALL THAT APPLY) Are part of the gram-negative cell wall. Are molecules that bind nerve cells. Cause a s

Posted: Mon Dec 20, 2021 7:45 am
by answerhappygod
Endotoxins Mark All That Apply Are Part Of The Gram Negative Cell Wall Are Molecules That Bind Nerve Cells Cause A S 1
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Endotoxins (MARK ALL THAT APPLY) Are part of the gram-negative cell wall. Are molecules that bind nerve cells. Cause a systemic effect Are excreted only when the cells die or lyse Are part of the gram-positive cell wall. Question 2 1.5 pts The capsules of Enterobacter aerogenes help the pathogen to (MARK ALL THAT PPLY) Help in invasion Attach to host cells Act as receptors Avoid formation of pagolysosome Avoid phagocytosis
Question 3 1.5 pts Botulinum toxin is produced by the Gram positive bacteria Clostridium botulinum. The toxin is produced when the endospores of Clostridium germinate, and it acts specifically on nerve cells. From this information, you can definitely say that the botulinum toxin is an (MARK ALL THAT APPLY) Causes a systemic effect Could be endotoxin or exotoxin Is a neurotoxin Endotoxin Exotoxin Question 4 1.5 pts Which of the following is true about leukocidins? (MARK ALL THAT APPLY) They are a virulence factor They are a type of adhesion factor They act by destroying blood clots They act by destroying WBC's They are antiphagocytic factors
Question 8 1.5 pts People who wash their hands frequently during cold season typically have fewer colds than those who do not. This observation suggests cold viruses can be transmitted by (MARK ALL THAT APPLY) vectors. ✓ fomites direct contact. vehicles air borne droplets
Which of the following pairs is mismatched? Autoclave - Denatures proteins ultraviolet radiation - causes cross linking in cell wall Ionizing radiation -- alter molecular structures like DNA by removing an electron Refrigeration-inhibits microbial metabolism Adding high amount of sugar and salt - removal of available water Question 14 1.5 pts Lysozyme is an enzyme that works by cleaving the NAG-NAM linkage in the peptidoglycan. The use of lysozyme during the preparation of cheeses and wines is more effective in reducing the numbers of - O viruses. all microbes. fungi. O Gram positive bacteria Gram negative bacteria
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