Living cells maintain biochemical reactions far from equilibrium conditions. They do this by
constantly manipulating the concentrations of reactants and products. Why is it important that a state
far from equilibrium be maintained? What will be an ideal response?
Concepts to Consider: Cells at equilibrium are dead; no work can be accomplished under equilibrium
conditions
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The method of movement that requires the expenditure of ATP molecules is
a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. passive transport.
Which of the following functions as a biological catalyst?
A) Energy-carrier molecule B) Substrate C) Enzyme D) Amino acid E) Steroid
The phenomenon through which populations of organisms change over several generations is termed
A. organization. B. homeostasis. C. biological evolution. D. growth and development. E. reproduction.
Dinoflagellates __________.
a. possess two flagella b. are all autotrophic c. lack mitochondria d. are all heterotrophic e. are all marine