Answer:
Hmm.
Explanation:
B. The outside of the cell membrane is hydrophilic.
The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. In bacterial and plant cells, a cell wall is attached to the plasma membrane on its outside surface.
What part did you need help understanding? Your definition is pretty strong- the epiglottis keeps food from entering the trachea and lungs. It also opens during breathing to allow air into the lungs. Good luck on your test, let me know if you need anymore refreshers!
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The faster the rate enzymes speed up reactions by lowering activation energy
Cratering, Erosion, Volcanoes and Weathering
