The type of epidemiological study that determines the characteristics of the persons involved and the time and place of the outbreak is called a(n)
A. inspection study.
B. descriptive study.
C. cohortive study.
D. retrospective study.
B
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Glyoxysomes play an important role in the germination of fat-storing seeds and are considered to be specialized
A) peroxisomes. B) lysosomes. C) vacuoles. D) centrioles. E) ribosomes.
What would occur if humans reproduced by parthenogenesis?
a. Males would need to produce more sperm. b. External fertilization would be necessary. c. The number of females in the population would most likely increase. d. The population would not reproduce asexually. e. No gametes would be produced
These bacteria can live in water of very high salt concentration.
The effects of elevated atmospheric CO2 concentrations
A. have the potential to alter the nutritional status of plants. B. allow the plant to use O2 more efficiently in photosynthesis. C. have the potential to allow herbivores to eat less plant matter. D. cause an increase in rubisco production. E. have no effect on nutrient levels found in plant leaves.