Activation of which of the following is associated with the formation of focal adhesions and stress fibers?
A) Rho
B) Ras
C) Cdk-42
D) intermediate filaments
E) ?-tubulin
A) Rho
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What is the term for a large-scale terrestrial
ecosystem with a unique climate and vegetation?
a. biosphere b. ecosystem c. trophic level d. biome e. community
Organisms of the domains Archaea and Bacteria are composed of Eukaryotic cells
1.True 2.False
Which type of fat, often the main ingredient in margarine, has been implicated in the development of
certain heart diseases? a. triglycerides b. trans fatty acids c. cholesterol d. oils e. waxes
The contraction of skeletal muscles is based on _____
A) myosin filaments coiling up to become shorter B) actin and myosin filaments both coiling up to become shorter C) actin cross-bridges binding to myosin and transitioning from a high-energy to a low-energy state D) myosin cross-bridges binding to actin and transitioning from a high-energy to a low-energy state