Plague exhibits a

A. bubonic form in which swollen lesions termed buboes develop.
B. pneumonic form that manifests as a respiratory disease.
C. septic form historically called the Black Death.
D. All of the choices are correct.


Answer: D

Biology & Microbiology

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Genes from different sources that are related in sequence due to shared evolutionary ancestry are called ________ genes, and groups of such genes are known as ________

A) homologous / gene families B) paralogous / functional genes C) orthologous / gene families D) homologous / functional genes

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Ionized ammonia applied to soil is effectively retained because clays in the soil have a charge that is ________.

A. uncharged B. negative C. positive D. None of these are correct. 

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The urinary system develops primarily from

a. ectoderm. b. mesoderm. c. endoderm. d. the placenta. e. the gray crescent.

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What does it mean if the reported confidence interval for a population mean is 95%?

A) There is a 5% chance that the results are statistically significant. B) There is a 95% chance that the results are statistically significant. C) There is a 5% probability that the true mean is in the reported range. D) There is a 95% probability that the true mean is in the reported range.

Biology & Microbiology