Which of the following is not a level of organization in the vertebrate body?
A. cells
B. bones
C. tissues
D. organs
E. organ systems
B. bones
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You identify an enzyme involved in a cellular reaction. How does the enzyme affect the reaction equilibrium between reactants and products and the time needed to reach equilibrium?
A. It alters the reaction equilibrium and shortens the time needed to reach equilibrium. B. The reaction equilibrium is unaffected, but it shortens the time needed to reach equilibrium. C. It alters the reaction equilibrium and lengthens the time needed to reach equilibrium. D. The reaction equilibrium is unaffected, but it lengthens the time needed to reach equilibrium.
Why are steroids considered lipids?
a. Because they are soluble in polar solvents. b. Because they are not soluble in polar solvents. c. Because they are soluble in polar solvents at certain temperatures. d. None of the above.
The portion of the DNA molecule that is not translated and is a noncoding portion of DNA is
composed of a. introns. b. anticodons. c. exons. d. transcriptions. e. regulatory proteins
How did you figure out which prey would provide the optimal amount of energy for each lion?
What will be an ideal response?