Besides the atmosphere, abiotic reservoirs of carbon dioxide include ________
A) fossil fuels and dissolved carbon compounds in the oceans
B) rocks and dissolved carbon compounds in the oceans
C) fossil fuels only
D) rocks only
A
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Cyclic AMP is degraded by __________.
A) phosphodiesterase B) adenylate cyclase C) G proteins D) AMP E) protein kinase
As electrons move along the electron transport chain, they lose potential energy. How is the energy that is released used by the cell?
A. The energy is used to transport protons against their concentration gradient. B. The energy is used to pump NAD+ into the cytoplasm so it can be used in glycolysis. C. The energy is converted directly into ATP. D. The energy is used to pump electrons along the electron transport chain.
Hydrolases are generally involved in ________ reactions.
A. anabolic B. catabolic C. both anabolic and catabolic D. neither anabolic nor catabolic E. oxidation-reduction
Which of the following constitute the vestibular apparatus?
A. Saccule, utricle, and ventricle B. Saccule and utricle only C. Ampullae of Lorenzini D. Saccule, utricle, and Organ of Corti E. Semicircular canals, saccule, and utricle