Which region of the Earth receives the least amount of solar radiation during the winter solstice?
A. Southern Hemisphere
B. Northern Hemisphere
C. equatorial regions
D. between 30° North and 30° South
E. All of the Earth's regions receive the same amount of solar radiation during the winter solstice.
Answer: B
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Which of the following statements about DNA is FALSE?
A. One chromosome is made up of many DNA molecules. B. A eukaryotic genome is made up of many DNA molecules. C. A DNA double helix contains both covalent bonds and hydrogen bonds. D. A strand of DNA is made up of many nucleotides. E. All of these are TRUE.
In response to environmental conditions, the average beak size in a population of birds may change between successive generations. This process of change is referred to as ________
A) macroevolution B) sequestration C) speciation D) coalescence E) microevolution
The bacterium that causes tuberculosis can be expelled from the lungs by a cough and remain viable in the air for an hour or more. If a person inhales the bacteria from the air, what type of transmission has occurred?
A) indirect contact B) airborne C) waterborne D) foodborne E) bodily fluid
A viral genome may consist of __________
a. double-stranded DNA b. single-stranded DNA c. double-stranded RNA d. single-stranded RNA e. Any of the above