Complementary base pairing links
a. nitrogenous bases
b. amino acids
c. proteins
d. phosphate group
Ans: a. nitrogenous bases
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The basic taxonomic unit in the classification scheme of plants and animals is
A. kingdom. B. class. C. order. D. genus. E. species.
Miller and Urey's experiment was ground breaking because
A. This was the first example of an experiment being used that inserted oxygen into the prebiotic soup. B. This was the first attempt to apply scientific experimentation to the quest of understanding the origin of life. C. They hypothesized what could have been the first molecules formed, but they could not demonstrate this in a scientific experiment. D. This was the last experiment that used boiling water as a trigger mechanism for the production of macromolecules. E. This was the first experiment based on the theory that organic carbon actually arrived from outer space.
Light-dependent reactions generate
A. glucose. B. ATP and NADPH. C. light. D. NADP+. E. CO2.
Which of the following does not contribute to the increasing levels of methane in the atmosphere?
A. Methane production at sewage treatment plants B. Methane production in termites C. Methane production in rice paddies D. Methane production beneath an aerobic water column