You work for a pharmaceutical company and discover a chemical compound with antibiotic properties. When this chemical is added to E. coli, the bacteria stop producing full-length mRNAs and instead accumulate short transcripts of 8-10 nucleotides in length. Which of the following steps in transcription is most likely affected by the drug?a. Elongation rate of the core polymeraseb. Binding to the promoterc. Formation of the open complexd. Promoter clearancee. Rho-dependent termination

Match the description of each organism to the appropriate category

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

The term facultative anaerobe refers to an organism that