Artemia and Fast Plant™ bioassays can be used to identify
(a) cytotoxins.
(b) herbicides.
(c) plant growth stimulators.
(d) all of the above.
(d) all of the above.
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Which of the following statements is CORRECT about active transport?
A. It requires energy. B. It is an active process in which molecules move from a region of lower concentration to one of higher concentration. C. It requires integral proteins. D. It is necessary to maintain solute gradients across a membrane. E. All of the choices are correct.
Oxidation of proteins is achieved most readily
A. by moist heat. B. by moist heat under pressure. C. in a hot air oven. D. in the presence of organics.
How does the availability of milkweed plants affect the migration of monarch butterflies?
a. Without milkweed plants, the female monarch would starve. b. Without milkweed plants, the monarch larvae would starve. c. Without milkweed plants, the male monarch would starve. d. When milkweed plants are abundant, monarch predators would thrive e. When milkweed plants are abundant, the male monarch could not find a mate.
Many insects do not see into the red color-range and as a result, many insect-pollinated flowers are colors other than red (e.g., purple and yellow). This flower coloration would be considered a(n)
a. natural selection. b. evolution. c. adaptation. d. gene.