The role of environmental factors on gene expression
is illustrated by
a. the varying plant height of genetically identical
yarrow plants when grown at different
elevations.
b. varying body forms of Daphnia affected by the
presence of predators
c. the depression response that some persons make
to very stressful situations.
d. the fur pattern of Himalayan rabbits.
e. all of these.
Answer: e
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A researcher is comparing the species diversity of two islands. Both islands are roughly equal in size. However, one island is much closer to the mainland
She determines that the S value for the island closer to the mainland is ____________ the S value for the island located farther from the mainland. In addition, she finds that the closer island's extinction rate is _______________ the extinction rate on the farther island. A. higher than; lower than B. lower than; higher than C. higher than; the same as D. lower than; the same as E. the same as; higher than F. the same as: lower than
In a reversible reaction at equilibrium, the concentration of R (the reactant) is 3.0 mol/L and the concentration of P (the product) is 0.9 mol/L. At 25°C, what would be the Keq?
A) 1.5 B) 0.3 C) 1.0 D) 3.0 E) 37.5
The orderly pattern of gathering and analyzing information to understand how the natural world works is called:
a. scientific method. b. logical reasoning. c. deductive reasoning. d. inductive reasoning. e. theory formation.
Which of the following relationships is FALSE?
A) Ribosomes-site of protein synthesis B) Cell wall-support and protection C) Mitochondria-formation of ATP D) Chloroplasts-chief site of lipid synthesis E) Nucleus-genetic information