RNA polymerase I (pol I) catalyzes the formation of which type of RNA?
A) mRNA
B) rRNA
C) snRNA
D) tRNA
B
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A mineral property that can be observed without using a test is:
a) effervescence b) magnetism c) hardness d) cleavage e) all of these
Which of the following is true for the self-sufficiency path to development?
A) The government reduces taxes and tariffs and increases import quotas. B) There is an attempt to focus on a few disruptive technologies. C) Unprofitable private companies can be nursed to success because of isolation from competition from large international companies. D) Rapid economic growth is expected. E) Globally competitive products will be produced.
Surface cyclones move at a speed that is:
A) one-quarter to one-half the speed of the winds at the 500-mb pressure level. B) determined by the jet stream. C) five times greater than the speed of a cold front. D) a product of the surface pressure gradient force.
What is the key process that sequesters atmospheric carbon dioxide?
A. Formation of carbonate sedimentary rocks B. Formation of coal deposits C. Absorption by land plants D. Absorption by volcanic gases