Flashcards in Microbilogy Chapter 20 antimicrobial drugs Deck (20):
Definition: Chemicals to cure.
Act by killing or interfering with the growth of microbes within a host
A substance produceded by microbe that, in small amounts, inhibits another microbe
Kills the microbe and not affect the host.
Only kills 1 species.
Kills multiple types of microbes
When antibiotic therapy kills normal flora. This can happen.
The lack of resistance to antimicrobials
The ability to resist antimicrobial agents
Microorganisms present in or on host
Inhibit growth of bacteria
Wanted to create "Magic Bullets". Sularsan. Arsenaginic compound.
Developed sulfa drugs. Sulfanilamide. Also discovered simisynthetic drugs and synthetic drugs.
Why is it harder to kill gram negative microbes?
More complex cell wall.
Have a B-lactum ring
Treatment used for penicillin
Susceptibility to Penicillases also known as ________
How do Penicillins work?
Attack bridges in the cell wall which destroys the cell.