Describe the effects of lysozyme and penicilin on bacterial cell wall.
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4. Describe the structure of peptidoglycan and state what bonds are destroyed by penicillin and lysozyme, respectively. Why does interfering with peptidoglycan structure tend to result in cell death?
Adi S.
1. What is peptidoglycan? How do gram-positive and gram-negative bacteria differ in terms of peptidoglycan? 2. What part of the bacterial cell is attacked by lysozyme? 3. Who discovered lysozyme and its antibacterial properties, and what was his original source of the enzyme? What else is he well-known for discovering? 1. Lysozyme works by attacking peptidoglycan in bacterial cell walls. However, it is not the only antibacterial substance that affects peptidoglycan. Why do you think this is so? 2. Lysozyme derived from egg whites is widely used as a preservative in the food and beverage industry. Based on what you have learned from this investigation, why do you think lysozyme is so well-suited for this purpose? 3. Were there any discrepancies between what you saw in your experiment and what you expected to see based on the lab manual and your readings in this section?
1. Lysozyme works by attacking peptidoglycan in bacterial cell walls. However, it is not the only antibacterial substance that affects peptidoglycan. Why do you think this is so? 2. Lysozyme derived from egg whites is widely used as a preservative in the food and beverage industry. Based on what you have learned from this investigation, why do you think lysozyme is so well-suited for this purpose?
Shaiju T.
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