The use of antibiotics does not cause antibiotic resistance.
Answer the following statement true (T) or false (F)
True
Development of antibiotic resistance is a form of natural selection. Antibiotic use does not cause the resistance. Instead, pathogens become resistant, and there are some organisms in a population that are naturally resistant to the drug. The drug regimen kills the susceptible ones while leaving naturally resistant ones to multiply and repopulate the patient's body. The new population is then resistant to the drug.
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Macrophages
A. spread throughout the body of animals and take up residence in specific tissues. B. are derived from monocytes. C. have receptors for compounds released by the immune system that coat microorganisms and enhance phagocytosis. D. All of the choices are correct.
From what feature are jaws thought to have evolved?
A. Pharynx B. Vertebrae C. Legs D. Arms E. Gill arches
Which of the following statements is a reason for NOT classifying viruses in one of three domains rather than in a fourth domain?
a. Viruses direct anabolic pathways of host cells. b. Viruses are obligate parasites. c. Some viruses can incorporate their genome into a host's genome. d. Viruses are not composed of cells. e. All of the answers are correct.
All of the following features are true of Anthropoids except
A. living in groups with complex social interactions. B. they include monkeys, apes, and humans. C. changes to eye design and increase in brain size. D. almost all were diurnal. E. opposable thumbs.