Which of the following is least likely to disrupt a protein's function?
A) a frameshift mutation that occurs near the beginning of the gene
B) a nonsense mutation in the middle of a gene
C) a nonsense mutation near the end of a gene
D) All of the above are equally likely to disrupt protein function.
C
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Which of the following explains the blue colour of the sky?
A. transmission of visible light through the ozone layer in the Earth's stratosphere B. filtering effect of water vapour in the Earth's atmosphere C. selective scattering of visible light by air molecules D. reflection of sunlight off the Earth's oceans
Lobbying, legal action, and campaign funding are all means used by ________ to influence governmental environmental policies
A) the judicial branch of government B) the public sector C) the scientific community D) social science studies E) the legislative branch
Which of the following is one of the causes of monsoons?
A) Jet streams strengthen in the summer. B) Polar easterlies bring contrasting air to the tropics. C) Oceans have large, seasonal temperature changes. D) Continents heat and cool differently than oceans. E) Land cools off quickly in the summer.
Is the path of the string on your globe the same as the heavy line shown on just one of these maps, or on both of these maps? (Hint: Look carefully at the string on the globe in relation to the Aleutian Islands of Alaska [at about 50° N, 175° W].)
On a globe, use a piece of string to find the shortest path between Yokohama, Japan (near Tokyo) and San Francisco. This path is a “great circle” path. Two maps are shown here, a Gnomonic (i) and a Mercator (ii).
