You isolate a molecule from an alien creature. It is double stranded and has new unknown nitrogenous bases. It has B-D and R-Q base pairs. Is this molecule more likely to be DNA or RNA? Explain your answer. *

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline