Ammonia is converted into urea in liver and excreted by kidney
They would be metamorphic rocks because they form under high heat and pressure. Sedimentary rocks are formed under high pressure. Igneous rocks are formed under high heat.
Answer:
As complex molecule composed of protein subunits, RNA polymerase controls the process of transcription, during which the information stored in a molecule of DNA is copied into a new molecule of messenger RNA.
I believe <u>B.) Analogous structures show that living in similar habitats doesn't lead to similar adaptations </u>is your right answer.