. Identification of the various strains of N. meningitidis is through
A. Gram staining.
B. serogrouping.
C. fluorescent antibodies.
D. titering.
B.
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One effect of decreasing wolf populations in North America is
A) decreased deer populations. B) range expansion for coyotes. C) range retraction for elk. D) increased bear populations.
Which amino acid is most soluble in water?
A. glycine B. serine C. leucine D. valine
Multiple forms of a gene are referred to as _________________.
A) traits B) alleles C) characters D) dominant alleles
A forest ranger surveys the burned landscape of his park following a destructive wildfire. "Well, there's one silver lining," he says, "We ought to see some unusual plants sprouting up in the next few years." Why?
A. Some species' pollen is only carried and activated by smoke. B. Damage to predator populations will allow vulnerable plants to survive the seedling stage. C. In many plants, the seedling's suspensor can more easily push into ashes than into overgrown soil. D. The growth of plants is normally limited by carbon availability in the soil. E. Some seeds are adapted to germinate only when heated by a fire.