A cell requires a much higher potassium concentration inside the cell than outside the cell to function normally. What does a cell use to move potassium inside the cell to maintain homeostasis?

1.a protein pump

2.loma that diffuse into the cell

3.lipids that create a protien

4. water that preforms osmosis

Which statements best describe the atoms of the gas neon? check all that apply

Match the following terms and definitions. the transformation of a larva to an adult; occurs only in animals having great differences in form between the larva and adult pupa 2. type of mammal that lays eggs monotreme nymph the part of certain insect life cycles in which the young animal has no wings or reproductive organs the developmental stage between larva and adult in insects undergoing metamorphosis metamorphosis 5. the male gonad which produces sperm testes

Which type of pollution occurs when small particles of soil are suspended in water? a. radiological pollution b. chemical pollution c. physical pollution d. thermal pollution apex