13). An antibiotic-resistant allele confers a fitness cost. What would you predict about the growth of the bacteria with the resistant allele compared to the growth of bacteria without the sensitive allele in the presence or absence of antibiotics?

27). The implementation and production of CAFO’s may result in antibiotic resistance.

31). MRSA and drug-resistant staph refer to _____.

24). Fitness is defined by an organism’s ability to survive and reproduce in a particular population.

21). Random mutation and gene transfer is how bacteria replicate.

38). A sensitive S. aureus bacterium acquires a new gene that allows it to resist the effects of β-lactam antibiotics. What might the protein encoded by that gene do?    

22). A population is a group of organisms of the same species living together in the same geographic area.

19). Bacteria reproduce by the process of                                     .

5). Which of these is a harmful bacterium?

25). Natural selection is defined by a differential survival and reproduction of populations within an individual in response to environmental pressure.