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Questions and Answers
In what type of media do Gram-positive bacteria treated with lysozyme lyse?
In what type of media do Gram-positive bacteria treated with lysozyme lyse?
- Low-osmotic-strength media (correct)
- Acidic osmotic-strength media
- High-osmotic-strength media
- Neutral osmotic-strength media
Which enzyme is responsible for hydrolyzing the β1→4 glycan linkage of the peptidoglycan backbone?
Which enzyme is responsible for hydrolyzing the β1→4 glycan linkage of the peptidoglycan backbone?
- Glucosaminidase
- Lysozyme (correct)
- Muramidase
- Endopeptidase
Which compound disrupts the outer membrane of Gram-negative bacteria, allowing access of lysozyme?
Which compound disrupts the outer membrane of Gram-negative bacteria, allowing access of lysozyme?
- (NH4)2SO4
- (NaCl)
- (EDTA) (correct)
- (H2O2)
What are the hydrolytic enzymes that attack peptidoglycan in bacteria called?
What are the hydrolytic enzymes that attack peptidoglycan in bacteria called?
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What prevents access of lysozyme to the peptidoglycan in Gram-negative bacteria?
What prevents access of lysozyme to the peptidoglycan in Gram-negative bacteria?
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