In mammals, uric acid is produced as a waste product of the degradation of
A. proteins.
B. lipids.
C. polysaccharides.
D. purine nucleotides.
Answer: D
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Tropical forests are known for
A. their high diversity relative to other forests. B. their abundance of large mammals relative to other forests. C. high temperatures relative to other forests. D. their high diversity relative to other forests and high temperatures relative to other forests. E. their high diversity relative to other forests, their abundance of large mammals relative to other forests, and high temperatures relative to other forests.
Your liver produces 90% of the cholesterol found in your body. When cholesterol levels get too high, the first enzyme in the pathway of cholesterol synthesis is inhibited. This is an example of
A. positive feedback. B. negative feedback. C. equilibrium. D. denaturation. E. a coenzyme.
The portion of a molecule which elicits an immune response is called
A) a mosaic. B) a hapten. C) an epitope. D) an alloantigen.
Overall, there is not enough water on the face of the Earth to meet the human population needs for water.
Answer the following statement true (T) or false (F)