Flowering plants (the angiosperms) were first of the seed plant groups to evolve, appearing over 100 million years ago during the middle of the age of dinosaur (late jurassic)
true or false?

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

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.

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?