Mendel’s pea plants made good experimental subjects because they ____
a. exhibit continuous variation
b. exhibit a variety of inheritance patterns
c. exhibit discontinuous variation and complete dominance
d. are sterile
e. have many complex traits that are easy to resea
c
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Which of the following is TRUE about the crenarchael genera Sulfolobus?
A) Sulfolobus grows in sulfur-rich hot alkaline springs. B) Sulfolobus is an anaerobic chemolithotroph. C) Sulfolobus can grow chemoorganotrophically. D) Sulfolobus is a gram-positive rod.
Which of the following statements accurately describes the role of insects in early angiosperm evolution?
A. Insect pollination may have allowed early angiosperms to thrive in the understory habitats of tropical rain forests. B. Insect pollination may have allowed early angiosperms to thrive in the canopy of tropical rain forests. C. Mammal pollination may have contributed to early angiosperm success. D. Very few living members of the earliest angiosperm lineages produce flowers that are visited by insects. E. Insects did not play a significant role in early angiosperm evolution.
The __________ is a sedimentary cycle; Earth’s
crust is the largest reservoir, and there is no major gaseous form. Fill in the blank(s) with the appropriate word(s).
Which of the following is not used to treat malaria?
A. Quinine B. Chloroquine C. Meflaquine D. Metronidazole E. Primaquine