The quinolone antibiotics, inhibits bacterial DNA gyrase and topoisomerase IV, as ciprofloxacin (Cipro). The quinolones act by blocking the last step of the topoisomerase reaction, the resealing of the DNA strand breaks. Ciprofloxacin is a wide-spectrum antibiotic.

TLS Online TPP Program

#Id: 5850

#Unit 10. Ecological Principles

Island biogeography

TLS Online TPP Program

#Id: 436

#Unit 2. Cellular Organization

The four core histones are present in equal amounts in the cell. H1 is half as abundant as the other histones, which is consistent with the finding that only one molecule of H1 can associate with a nucleosome.

TLS Online TPP Program

#Id: 9088

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 7253

#Unit 5. Developmental Biology

Generation of antibodies to T-dependent antigens

TLS Online TPP Program

#Id: 5872

#Unit 10. Ecological Principles

The Greenhouse Effect Causes the Earth’s Temperature to Rise