A 25-year-old male presented with fever, malaise, and a rash on his chest, arms, and feet. Diagnosis was based on serological testing. The patient then reported that he had an ulcer on his penis two months earlier. This disease can be treated with
A) acyclovir.
B) metronidazole.
C) miconazole.
D) penicillin.
E) surgery.
D
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Which category of media can be described as containing specific nutrients required for the growth of particular bacterial pathogens in a patient specimen?
a. Enrichment b. Supportive c. Selective d. Differential
Which type of cell would have the hardest time exporting waste?
A. long and wide B. large and round C. irregular and long D. smooth and cuboidal
Darwin calculated that if reproduction was not limited, a single pair of elephants would leave roughly ____
descendants after 750 years.
a. 750 b. 15,000 c. 150,000 d. 19 million e. 190 million
Identify the only correct statement regarding the heritability of a trait
1.Heritability of a particular trait can be calculated only in individuals, not in populations. 2.Heritability defines the genetic contribution to a trait in a population of relatives. 3.In heritability studies, the correlation coefficient is a measure of the total number of relatives affected by the trait. 4.Heritable traits are not affected by the environment.