Which common crop may contain traces of hormone-like substances that may affect human health?
A. corn
B. wheat
C. peanuts
D. soybean
E. wine grapes
D. soybean
Soybeans produce phytoestrogens which may have medicinal value to humans.
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Which of the following sequences of events is most characteristic of a generalized plant life cycle?
A. sporophyte ® mitosis ® spore ® gametophyte ® gamete ® zygote B. sporophyte ® meiosis ® spore ® gametophyte ® gamete ® zygote C. gametophyte ® meiosis ® spore ® sporophyte ® gamete ® zygote D. gametophyte ® mitosis ® spore ® sporophyte ® gamete ® zygote
The best target for drug development would be
A. genes that are shared by humans and the organisms causing Chagas disease, African sleeping sickness, and Leishmania. B. genes that are shared by humans and the organisms causing Chagas disease but not the organisms causing African sleeping sickness or Leishmania. C. genes that are shared by the organisms causing Chagas disease, African sleeping sickness, and Leishmania but not shared by humans. D. genes that are shared by the organisms causing Chagas disease and African sleeping sickness but not shared by humans or the organisms causing Leishmania.
Which statement is least consistent with the beliefs of Lamarck?
A. “Fluida” moves into areas of the body in need of change. B. Acquired characteristics are inherited. C. Giraffes’ necks have become longer in response to stretching. D. Environmental pressures bring about changes in organisms. E. Changes in an individual are not passed to its offspring.
Reliability:
What will be an ideal response?