Which of the following is the convention used to specify the sequence of bases in DNA?
A) We start at the 3' end.
B) We start at the 5' end.
C) We start at the end closest to the first adenine.
D) we start at the end closest to the first thymine.
B
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A sample of radium is usually a little warmer than its surroundings because
A. it efficiently absorbs and releases energy from sunlight. B. it is radioactive. C. it emits alpha and beta particles. D. its atoms are continually being struck by alpha and beta particles.
Desalination plants, such as the one just completed in Tampa Bay,
A) are less expensive than groundwater supplies. B) are a sustainable virtually unlimited source of water. C) produce enough water for local agricultural crops such as corn. D) cause groundwater levels to drop.
Given that climate correlates closely with vegetation, what letter approximates the type of vegetation you would see for an Am climate?
A. A B. B C. C
What is geomorphology?
A. an individual topographic feature B. rocks formed by heat and/or pressure C. the surface configuration of Earth D. the study of landform development E. the process that creates sedimentary rocks