The statement, "Energy is neither created nor destroyed," describes
A) the first law of thermodynamics.
B) the second law of thermodynamics.
C) the law of conservation of energy.
D) enthalpy.
E) both choices A and C
E) both choices A and C
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The photosynthetic production of one molecule of glucose requires ________ molecule(s) of ATP.
A. 18 B. 12 C. 6 D. 24
Neurons can synapse with many different types of cells (including muscle cells, secretory cells, and other neurons)
A. true B. false
Which of the following secrete antibodies?
What will be an ideal response?
At one time the uncoupler 2,4-dinitrophenol was used as a weight reducing drug. Its side-effects, including death, resulted in its discontinued use. How could this drug cause weight loss?
A) The uncoupler allows the oxidation of fats from adipose tissue without the production of ATP. This allows the oxidation to proceed continuously and use up the fats. B) The uncoupler causes ATP to be produced at a much higher rate than normal and this causes weight loss. C) The uncoupler inhibits the transport of pyruvate into the matrix of the mitochondria. Fats are then degraded to glycerol and subsequently to pyruvate to provide the necessary energy, thereby depleting fat stores. D) The uncoupler is an allosteric activator of ATP synthase. This increases the rate of translocation of H+ and the oxidation of fuels, including fats.