Is penicillin a bacteria?
Penicillin is a drug produced by the fungus Penicillium chrysogenum. It is not a bacteria, but does have cytotoxic (kills cells) properties against some bacteria.
In penicillin for 30 minutes. The bacteria lengthen, but cannot divide. Eventually the weak cell wall ruptures (last panel).
Jack's "Bugs in the News". Inappropriate use of antibiotics (prophylactic treatment of herds in meat production and pointlessly treating viral infections with antibacterials) flood our environment with drugs that select for populations of antibiotic-resistant bacteria. Although penicillin was a wonder drug when discovered, some bacteria exposed to penicillin survived because they produced the enzyme?
-lactamase that destroys penicillin’s structure. A solution was to devise other penicillin-like antibiotics (?-lactams) with structures that are not destroyed by? -lactamase.
Methicillin is one of those drugs developed in the late 1950’s. Unfortunately, an increasing threat is now Methicillin-Resistant Staph aureus (MRSA) which avoids methicillin and other? -lactams by an alteration in MRSA's penicillin target-binding site.
Bacteria are constantly evolving such new defenses, so treatment of bacterial infections requires a constant search for antibiotics with novel modes of action. Want to show how penicillin works in your classroom?
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.
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