An amoeba that lives in salt water does not have a contractile vacuole to do so. Explain observations.

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.