Biology Sept-10-08

Biology Sept-10-08 - Antibiotic Resistance (4 exam...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Antibiotic Resistance (4 exam questions in this lecture) Alexander Flemming discovered antibiotics in 1905. He didnt throw away a petri plate away and he worked on bacteria, because he saw something interesting. He saw there was a dead zone between the fungus and bacteria, that was caused by penicillium notatum fungus. This inhibited the growth of the bacteria. An antibiotic is an organic compound that inhubits the growth of microbes. (Carbon is the backbone that supports organic compounds). Microbes are basically bacteria. We can synthesize antibiotics in labs now. A) Bacterial Lawn with a fungus in the center Prior to antibiotics, millions died from different things such as Staph infection, Tuberculosis, Pneumonia, and Syphilis. REMEMBER: One bacterium, two bacteria. Bacteria are prokaryotes, meaning they double very quickly so they can spread extremely quickly. This is why people get sick. Some bacteria become insensitive to antibiotic. Growth is no longer inhibited. A resistance is acquired Some bacteria become insensitive to antibiotic....
View Full Document

Page1 / 5

Biology Sept-10-08 - Antibiotic Resistance (4 exam...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online