When DNA is replicated in eukaryotes,
A) the new molecule of DNA consists of two newly synthesized strands.
B) a molecule of messenger RNA (mRNA) is constructed using DNA as a template.
C) the new molecule of DNA includes the bases A, C, T, and U.
D) each new molecule of DNA consists of one old strand and one new strand.
D
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The current through a 10-ohm resistor connected to a 120-V power supply is
A. 10 A. B. 1 A. C. 12 A. D. 120 A.
According to Figure 14.5, a major difference between the B horizons of forest soil and desert soil is
A) desert soil is enriched in calcite when compared to the parent material. B) forest soil is enriched in calcite when compared to the parent material. C) desert soil is depleted in clay minerals when compared to the parent material. D) forest soil is depleted in clay minerals when compared to the parent material.
On the Saffir-Simpson hurricane scale, a hurricane with winds in excess of 155 mi/hr (135 knots) would be classified as a category ____ hurricane
A) 1 B) 3 C) 4 D) 5
The average global population growth rate is
A. zero; world population has stabilized. B. 1 percent per year. C. 3 percent per year. D. 10 percent per year.