Telomeres serve as caps at the ends of linear chromosomes. Which of the following is not true regarding the replication of telomeric sequences?
(a) The lagging-strand telomeres are not completely replicated by DNA polymerase.
(b) Telomeres are made of repeating sequences.
(c) Additional repeated sequences are added to the template strand.
(d) The leading strand doubles back on itself to form a primer for the lagging strand.
(d)
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If you (incorrectly) proposed that tundra, the world's largest land biome, contains high species richness, your proposal would be consistent with the
A. area hypothesis. B. time hypothesis. C. productivity hypothesis. D. intermediate disturbance hypothesis.
The logical conclusion that can be drawn from Wilcove's experimental data in the graph above is that
____.
a. songbird nests in a variety of habitats are equally likely to be found by predators b. songbird nests in forest fragments are more likely to be found by predators than those in intact tracts of forest c. songbird nests in forest fragments are less likely to be found by predators than those in intact tracts of forest d. songbird nests in rural areas are more likely to be found by predators than those in suburban areas e. songbirds that nest on the ground are more vulnerable to predators than those that nest in trees or shrubs
The equation, 6CO2 + 6H2O ?C6H12O6 + 6O2, describes which of the following processes?
A. photosynthesis B. Calvin cycle C. light reaction D. nitrogen fixation E. aerobic respiration
You have isolated an aerobic gram-positive, endospore-forming bacterium that grows well on nutrient agar. To which of the following groups does it most likely belong?
A) phototrophic bacteria B) gammaproteobacteria C) deltaproteobacteria D) bacillales E) The answer cannot be determined based on the information provided.