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A researcher is studying a specific strain of bacteria. In one of her cultures, she notices that the bacteria are antibiotic-resistant. As there are no genes in the chromosome that could confer antibiotic-resistance in these bacteria, the researcher assumes this is the result of a spontaneous mutation. What is another possible explanation?
Clinical Manifestations
Observable signs, symptoms, and syndromes that arise and are indicative of a specific disease or medical condition.
Dependence
The state of relying on or needing a substance, object, or activity for physical or psychological well-being.
Substance Abuse
The damaging or dangerous consumption of psychoactive substances, like alcohol and illegal drugs.
Psychotic Symptom
Psychotic symptoms are manifestations of psychosis that include delusions, hallucinations, disorganized speech or behavior, and impaired cognitive ability.
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