During translation in prokaryotes, formation of the initiation complex requires all of the following except
A. mRNA.
B. tRNA charged with N-formylmethionine.
C. RNA polymerase.
D. initiation factors.
E. a small ribosomal subunit.
Answer: C
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Which of the following studies the relationship between genetic variation and the environment?
A. Population genetics B. Transmission genetics C. Molecular genetics
The moraines left when glaciers retreat are poor soils characterized by
A. cairns that function as bird nests. B. low nitrogen content and little organic matter. C. ice year-round. D. secondary succession. E. high levels of nitrogen, phosphate and carbon.
Which component becomes oxidized in the following chemical reaction?
4 Fe + 3 O2 ? 2 Fe2O3 a. water b. iron c. oxygen d. rust e. hydrogen
Cholera treatment involves consuming a mixture of ALL the following EXCEPT
a. sodium chloride. b. sodium bicarbonate. c. potassium chloride. d. zinc oxide.