The highest valued alternative that must be given up to engage in an activity is the definition of
A) marginal cost. B) marginal benefit. C) opportunity cost. D) economic equity.
Question 2
The demand for gasoline in the short run is
A) elastic because people can easily switch to public transportation.
B) inelastic because there are very few good substitutes for gasoline.
C) perfectly inelastic because people have no choice but to buy gasoline.
D) unit elastic because people tend to consume a stable amount of gasoline per period.
Use of an animal cap assay to demonstrate morphogen activity in conditional specification.
Extent of agricultural activity across the planet (data from Foley et al. 2005).
Neurotransmitter reuptake activity.
The metabolic activity of mammalian cells
Alternative splicing of the Dscam gene mRNA
Effects of alterations in Shh morphogen activity in the floor plate and the limb bud