What type of organic molecule are enzymes? (proteins, lipids, carbohydrates, or nucleic acids)

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist