Modern automated sequencing machines detect DNA bands by measuring incorporated radioactivity.
Answer the following statement true (T) or false (F)
False
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Citing the dangers of rabies-transmission by local populations of bats, a farming community begins a campaign to trap and kill the winged mammals on a large scale. Shortly thereafter, cornfields begin showing substantial and increasing damage to crops. What is the most likely explanation?
a. Installing bat traps caused disruptions to the local water table. b. Infrasonic cries of trapped bats cause corn plants to suffer stress reactions. c. Pests feeding on corn have multiplied without natural predators. d. Bats feed on damaged corn, leaving more room for healthy plants.
Nearly all of the phosphorus in terrestrial ecosystems comes from the ________ of calcium phosphate minerals
Fill in the blank(s) with correct word
Distribution patterns of biomes can be determined based almost entirely on
A) only mean annual temperature. B) both mean annual temperature and precipitation. C) the distribution of soils. D) global weather patterns.
Pollen germination refers to the process of
A. sperm development. B. double fertilization. C. pollen dispersal. D. development of the pollen tube. E. pollen attachment to the stigma.