Yo wind in the atmosphere and currents in the ocean are caused by uneven heating that produces convection the coriolis effect transpiration conduction

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing