Which biome is characterized by widely spaced trees surrounded by grasses?
A) Desert
B) Chaparral
C) Tropical rain forest
D) Tropical deciduous forest
E) Savanna
E
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The diploid garden pea plant has 14 chromosomes. The haploid fungus Neurospora crassa has 7 chromosomes. Neither organism has separate male and female individuals. Therefore, the number of linkage groups in these two organisms is
A) the garden pea has 14 linkage groups, and Neurospora has 7. B) the garden pea has 7 linkage groups, and Neurospora has 7. C) the garden pea has 8 linkage groups, and Neurospora has 8. D) the garden pea has 15 linkage groups, and Neurospora has 8.
At approximately what age does bone growth stop?
a. 25 b. 30 c. 16 d. 20 e. 28
A megasporocyte is found in the
A. anther. B. stigma. C. filament. D. ovule. E. style.
A 0.1 ml sample of a log phase culture contains 10,000 bacterial cells/ml. It is added to 9.9 ml of fresh culture medium broth. Assume a generation time of 30 minutes, and no limiting nutrients. How many bacteria will be present in the entire broth culture after five hours?
A) 3.2 × 104 B) 5.0 × 105 C) 1.02 × 106 D) 6.0 × 106 E) 2.56 × 107