5 points Antibiotics are often used to treat bacterial infections. Rifampicin is an
antibiotic that inhibits RNA polymerase in certain types of bacteria but
does not affect mammalian cells. How is rifampicin able to treat bacterial
infections in humans?*
Rifampicin creates toxic byproducts in bacterial cells
Rifampicin blocks bacterial DNA replication
Rifampicin causes mutations in bacterial DNA
Rifampicin blocks protein synthesis in bacteria
What is the use of DNA renlication *

What are four key elements of the study of economics?

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses